GMDSS英语习题
单项选择题：
1. In the COSPAS-SARSAT system, the EPIRB‟s position can be
determined by:
A. Doppler method B. GPS C. being entered manually D. none of the above Answer: A
2. In the DSC system, if the caller is in distress, which one is not included in the message?
A. the MMSI of the ship B. the call sign of the ship C. the position of the ship D. the nature of distress Answer: B
3. In GMDSS, which system can broadcast the MSI?
A. NAVTEX B. Inmarsat-C C. HF telex D. all of above Answer: D
4. How many independent systems does the GMDSS support for
broadcasting MSI to ships? A. 2 B. 3 C. 4 D. 5 Answer: B
5. The VHF CH06 is used for:
A. intership and ship-aircraft communications B. distress and safety communications
C. ship-shore and ship-ship communications D. all of above Answer: A
6. In the case of a sea area A4 ship, the primary means of ship-to-shore
distress alerts would have to be:
A. VHF DSC B. HF DSC C. 406MHZ D. Inmarsat-C Answer: B
7. Which of the following frequencies can not be used for ship-aircraft
communications?
A. CH06 B. 3023KHZ C. 2182KHZ D. 5680KHZ Answer: C
8. To ensure the maintenance of the radio equipments, the vessel sailing
in A3 and A4 should select:
A. At-sea maintenance B. shore-based maintenance C. duplication of equipment D. two of the above Answer: D
9. Taking into account the provisions of SOLAS, the personnel of ship
stations on board vessels which sail beyond range of VHF coast stations should hold:
A. a first-class or second-class radio electronic certificate B. a general operator‟s certificate C. either of above D. both of above Answer: C
10. Which of the following frequencies is used for distress and safety
traffic by radiotelephone?
A. 2187.5KHZ B. 2182KHZ C. 2174.5KHZ D. 2152KHZ Answer: B
11. How many frequency bands have been designated in long-range
service?
A. 6 B. 3 C. 4 D. 5
Answer: D
12. Which of the following statements about VHF/MF/HF DSC
watch-keeping is right?
A. The MF/HF DSC is programmed to scan at least three of the
six MF/HF distress and safety frequencies, ie. 2MHZ, 8MHZ and one other band deemed to be suitable at the time. B. VHF DSC is keeping automatic watch on CH13 C. VHF DSC is keeping automatic watch on CH16
D. The MF/HF DSC is keeping automatic watch on 2177khz
Answer: A
13.
If the distress alert call is sent on 2 MHZ, the subsequent voice frequency is:
A. 2177KHZ B. 2174.5KHZ C. the RT distress frequency on 2MHZ band D. 2187KHZ Answer: C
14.
Why can the DSC signals be received sometimes over greater ranges than the subsequent voice transmission?
A. Because the bandwidth of voice signals is wider than DSC
signals.
B. Because the bandwidth of DSC signals is wider than voice
signals.
C. Because the voice signals is a kind of digital signals. D. None of above Answer: D
15.
The VHF CH70 is used:
A. for all categories of DSC calls B. for only distress DSC call C. for only routine DSC call
D. for ship-to-ship voice communication call
Answer: A
16.
The category of DSC indicates the importance of the message to the receiving operator, they are:
A. distress, urgency, safety and routine
B. ship‟s business, distress, urgency, and safety C. ship‟s business, distress, urgency, and routine
D. ship‟s business, distress, urgency, safety and routine
Answer: D
17.
How to detect whether an error appears in the DSC sequence? A. by “time diversity”, 10-bit coding and checksum B. by “time diversity”, 10-bit coding C. by 10-bit coding and checksum D. by “time diversity” or checksum
Answer: A
18.
How many kinds of the “Format Specifier” does the DSC call have? A. 4 B.5 C.6 D. 7 Answer: C
19. Which of the following “Format specifier” belong to the DSC call?
A. DISTRESS, ALL SHIPS, INDIVIDUAL STATION, GROUPS
OF STATIONS
B. DISTRESS, ALL SHIPS, INDIVIDUAL STATION, GROUPS
OF STATIONS, STATIONS IN A GEOGRAPHICAL AREA C. DISTRESS, ALL SHIPS, INDIVIDUAL STATION, GROUPS
OF STATIONS, STATIONS IN A GEOGRAPHICAL AREA, AUTOMATIC PHONE CALL
D. DISTRESS, ALL SHIPS, INDIVIDUAL STATION, GROUPS
OF STATIONS, STATIONS IN A GEOGRAPHICAL AREA, EMERGENCY CALL
Answer: C
20. Which is the more reasonable means to cancel an inadvertent DSC
alert?
A. Transmit a “self-acknowledgement” immediately.
B. Making a voice communication on the telephony distress
traffic channel associated with each DSC channel on which the “distress alert” was transmitted.
C. Making a telex communication on the telex distress traffic
channel associated with each DSC channel on which the “distress alert” was transmitted. D. Anyone of the above. Answer: C
21. The DSC multi-frequency calling attempt can be made on:
A. MF and HF B. VHF, MF and HF C. VHF and MF D. VHF and HF Answer: A
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22. The category of the “testing call” and “test call acknowledgement” is:
A. safety B. urgent C. routine D. distress Answer: A
23. The MMSI number 004122100 is:
A. a coast station B. a ship station C. group of ships‟ MMSI number D. none of above Answer: A
24. Which of the following working mode belong to NBDP?
A. ARQ and FEC B. ARQ and J3E C. FEC and G3E 37. Which 2 digit code is used for medical assistance? A. 32 B. 39 C. 37 D.38 Answer: D
38. Which 2 digit code is used for medical advice? A. 32 B. 39 C. 37 D.38 Answer: A
39. The Inmarsat mobile numbers(IMN) has digits except Inmarsat-A:
A. 7 B.9 C. 10 D.6 Answer: B
D. ARQ and G3E Answer: A
25. The command “KKKK” is used to:
A. clear connection with land subscriber
B. clear connection with maritime radio station C. clear connection with mobile subscriber
D. for breaking radio connection with the coast station or ship
station
Answer: A
26. The command “TST+” is used to:
A. requesting to send a test message B. requesting manual connection C. for requesting traffic
D. direct connection to telex subscriber
Answer: A
27. Where is the geostationary satellite‟s orbit situated?
A. equator orbit B. polar orbit C. oblique orbit D. A and B Answer: A
28. The Inmarsat satellites are controlled by:
A. NOC B. NCS C. OSC D. LES Answer: A
29. Which service can be available on Fleet 77?
A. ISDN B. ISTN C. MPDS D. ISDN and MPDS Answer: D
30. What is MPDS?
A. mobile packet data service B. mobile passing data service
C. maritime packet data service D. maritime passing data service Answer: A 31. What is ISDN?
A. integrated service digital network B. international service digital network
C. international safety digital network D. international safety digital number
Answer: A
31. Inmarsat-C station nine digits begins with:
A. 4 B. 5 C. 6 D.3 Answer: A
32. Inmarsat-B station nine digits begins with:
A. 4 B. 5 C. 6 D.3 Answer: D
33. Inmarsat-M station nine digits begins with:
A. 4 B. 5 C. 6 D.3 Answer: C
34. Inmarsat-F77 station nine digits begins with:
A. 4 or 3 B. 5 or 6 C. 6 or 3 D. 76 or 60 Answer: D
35. Which of the following IMN is used for Inmarsat-F MES voice service? A. 76XXXXXXX B. 60XXXXXXX C. 3412XXXXX D. 66XXXXXXX Answer: A
36. Which 2 digit code is used for maritime assistance? A. 32 B. 39 C. 37 D.38 Answer: B 40. Where is the distress alerting made by MES in the Inmarsat system passed to?
A. associated RCC B. RCC C. other vessels D. NCS Answer: A
41. When a MES initiate a distress call at the moment that all satellite channels happen to be busy, how is the Inmarsat system to do with the satellite channels?
A. One channel will be pre-empted and allocated to the MES which
initiated the distress priority call.
B. Wait until there are empty satellite channels. C. Pass the distress call to another NCS. D. Pass the distress call to another LES. Answer: A
42. When a vessel in distress making On-scene communications, which one of the following radio equipments can be used?
A. VHF B. MF/HF radio equipment C. Inmarsat MES D. all above.
Answer: A
43. To ensure the correct treatment of distress priority, by whom the NCS in each ocean region automatically monitors the processing? A. by all other LESs in that region. B. by other NCSs. C. by other MESs. D. by SOC. Answer: A
44. How many NAVAREAs are there in the world? A. 4 B. 8 C.16 D. 24 Answer: C
45. Which of the following messages may be broadcasted in national language?
A. NAVAREA warnings B. Local warnings C. Coastal warnings D. None of above. Answer: D
46. Which of the following statements is correct?
A. the EGC receiver can be programmed to reject “all ship” messages,
such as some shore-to-ship distress alerts and Met/Nav warnings. B. the EGC receiver can be programmed to reject any unnecessary messages.
C. the EGC receiver cannot be programmed to reject any unnecessary messages.
D. None of above. Answer: B
47. If the ship‟s position has not been updated for more than 12 or 24 hours, the EGC receiver will:
A. automatically receive all geographically addressed messages within the entire ocean region.
B. not receive any message.
C. only receive “ all ship” messages, such as some shore-to-ship
distress alerts and MET/NAV warnings. D. automatically turn off. Answer: A
48. On NAVTEX service, how to reduce the risk of interference between transmitters with same B1 character in different parts of the world? A. NAVTEX broadcasting is operated on a time-sharing basis. B. The power of each transmitter is regulated. C. A and B D. A or B Answer: C
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49. Which of the following messages can be rejected by NAVTEX receiver?
A. navigational warning B. meteorological warning C. search and rescue information D. meteorological forecast. Answer: Ｄ
50. Each NAVTEX message begins with starts of message function . A. NNNN B. KKKK C. ZCZC D. NCNC Answer: C
51. Which of the following statements is not correct?
A. the transmitter identification character B1 is used to identify the broadcasts which are to be accepted by the receiver, and those which are to be rejected, and also the time slot for the transmission.
B. the SUBJECT INDICATOR CHARACTERS (B2) is used by the receiver to identify different classes of messages.
C. it is automatically receivers maritime safety information by a NAVTEX receiver such as radio navigational warning, storm/gale warnings, meteorological forecasts, piracy warnings, distress alerts etc. D. meteorological messages are very important, so it can not be rejected by NAVTEX receiver. Answer: D
52. Normally the following drum speed and the index of co-operation are used to transmit a facsimile chart:
A. 120/576 B. 90/288 C. 120/288 D. 60/576 Answer: A
53. The four main type of AUSREP reports are:
A. sailing plans, position reports, deviation reports and final reports. B. sailing plans, position reports, deviation reports and marine pollution reports.
C. sailing plans, position reports, deviation reports and harmful substances reports.
D. sailing plans, position reports, deviation reports and dangerous goods reports. Answer: A
54. Why did the 406MHZ satellite EPIRBs were selected for the GMDSS? A. 406MHZ beacon transmit a significantly more powerful signal than 121.5MHZ beacons and exhibit extremely stable transmit frequency performance.
B. the transmit frequency of 121.5MHZ beacon is extremely than 406MHZ beacon.
C. 406MHZ beacons are available at low cost.
D. there are many 406MHZ beacons in use world-wide. Answer: A
55. What kinds of satellites does the COSPAS-SARSAT system employ? A. LEO B. GEO C. GEC or LEO D. GEO and LEO Answer: D
56. COSPAS-SARSAT system uses the low-altitude satellites, the advantage is:
A. low uplink power requirement. B. pronounced(显著的) Doppler shift.
C. complete world coverage over a period of time. D. all of above. Answer: D
57. The function of MCC is:
A. collect, store and sort the data from LUTs and other MCCs. B. provide data exchange within the COSPAS-SARSAT system. C. distribute alert and location data to associated RCCs or SPOCs. D. all of above. Answer: D
58. Why is not to use the Doppler effects to calculate the beacon position in GEOSAR system?
A. there is no relative movement between a transmitting beacon and the GEOSAR satellite.
B. the carrier frequency transmitted by the beacon is not stable.
C. there is relative movement between a transmitting beacon and the GEOSAT satellite. D. none of above. Answer: A
59. In COSPAS-SARSAT system, which institution processes the signals to determine the beacon location?
A. MCC B. RCC C. SPOC D. LEOLUT Answer: D
60. Complying with IMO requirements, the detection range between a SART and a search RADAR is:
A. 1.8miles B. 2.5miles C.2.0miles D.5miles Answer: D
61. Which equipment will provide the main means for locating a survival craft in the GMDSS system?
A. EPIRB B. SART C. RADAR REFLECTOR D. TWO-WAY RADIO Answer: B
62. Which of the following factors will affect the detecting range of SART? A. the weather conditions. B. the type of radar used, and how it is used.
C. the mounting of the SART on the survival craft. D. all of above Answer: D
63. As the search craft approaches to the SART, the RADAR display may shows:
A. a line of 12 blip code----wide arcs----complete circles. B. complete circles----a line of 12 blip code----wide arcs. C. complete circles----wide arcs----a line of 12 blip code. D. wide arcs----complete circles----a line of 12 blip code. Answer: A
. What kind of radar may be used to trigger a search and rescue transponder?
A. any X-band radar B. any S-band radar C. any radar D. A or B Answer: A
65. PSC inspection is carried out to:
A. the ships in national port B. national ships in national port
C. foreign ships in national port D. all SOLAS ships Answer: C
66. The GMDSS carriage requirements of all SOLAS vessels are decided by:
A. the size of the vessel.
B. the areas the vessels operate. C. the type of the vessel. D. none of above. Answer: B
67. Every ship shall be provided with a VHF radio installation capable of transmitting and receiving on:
A. CH70 and CH16 B. CH13 C. CH06 D. all of above Answer: D
68. Which of the following statements is not correct?
A. sea area A1 ships shall carry VHF equipment and either a satellite EPIRB or a VHF EPIRB.
B. sea area A2 ships shall carry VHF and NF equipment and a satellite EPIRB.
C. sea area A3 ships shall carry VHF, MF, a satellite EPIRB and either HF.
D. sea area A4 ships shall carry VHF, MF and HF equipment or satellite communication equipment. Answer: D
69. What are you going to do if you had transmitted an inadvertent distress? A. immediately cancel the distress alert aurally over the telephony distress channel associated with each DSC channel on which the “distress alert” was transmitted.
B. monitor the telephony distress traffic channel associated with the DSC channel on which the distress was transmitted, and respond to any communications concerning that distress call as appropriate. C. A and B D. A or B Answer: C
70. Which of the following statements is correct?
A. DSC testing on the frequency 2187.5KHZ should be avoided as far as
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possible.
B. DSC testing should be made as far as possible on the frequency 2187.5KHZ.
C. DSC testing on the CH70 should be avoided as far as possible. D. none of above. Answer: A
71. Which of the following statements is correct?
A. after having transmitted the DSC distress alert on appropriate DSC
distress channels, prepare for the subsequent distress traffic by tuning the radio communication set to the corresponding distress traffic channel.
B. the DSC distress alert should as far as possible include the ship‟s last
known position and the time it was valid.
C. DSC distress alert should be sent to coast stations---eg. In A3 and A4 sea areas on HF and on MF and /or VHF to other ships in the vicinity. D. all of above. Answer: D
72. What are the radio operators going to do when a vessel operating in an A2 sea area receives a MF DSC distress alert on 2187.5KHZ? A. transmit a DSC acknowledgement.
B. listen on 2182KHZ for further distress traffic and (subject to the
master‟s instructions) acknowledge using RT. C. A and B D. A or B Answer: B
73. A vessel operating outside of an A2 sea area which receives a distress alert which is, beyond doubt, in its vicinity, should: A. relay the alert.
B. send an acknowledgement as soon as possible using RT 2182KHZ. C. If further DSC distress alerts are heard from the same source, a DSC acknowledgement may be sent. D. B and C Answer: D
74. What are the radio operators going to do if a distress alert has been accidentally transmitted?
A. To make every reasonable attempt to communicate with the RCC by
any means to cancel the false distress alert.
B. Switch off the equipments by which the false alert transmitting. C. Transmitting a self-acknowledgement. D. None of above. Answer: A
75. What are the EPIRB lanyards to be used?
A. Attach to the ship to prevent the EPIRB floating free.
B. To be used by survivors for securing the EPIRB to a survival craft or person in water.
C. Avoid the EPIRB transmitting alert accidentally. D. None of above. Answer: B 76. EGC services include:
A. broadcast of system information and locating information B. coordination of rescue operation C. SafetyNET and FleetNET services D. ISDN and MPDS Answer: C
77. What are you going to do when your Inmarsat-C system is going to be used for the first time?
A. commission B. self-test C. log-in D. log-out Answer: C
78. What is the meaning of “loop back test” of Inmarsat-C station?
A. To send a message through the Inmarsat-C network and back to yourself.
B. To send a message through the Inmarsat-C network to RCC.
C. To send a message through the Inmarsat-C network and to your company.
D. All of above. Answer: A
79. What text editing mode do you select if you are going to send a message to an email destination? A. ASCII mode B. Telex mode C. ASCII mode or Telex mode D. none of above Answer: A
80. The three kinds of EGC messages are: A. safety NET , Telex and system. B. safetyNET, data and system C. safetyNET, email and system. D. safetyNET, FleetNET and system Answer: D
81. What will be happened to your EGC receiver if your position has the status INVALID?
A. The EGC receiver will receive all EGC messages addressed by position.
B. The EGC receiver will not receive any EGC messages.
C. The EGC receiver will receive all EGC messages addressed by the Inmarsat system.
D. The EGC receiver will receive the EGC messages only addressed to
the area in which the ship is operating. Answer: A
82. A position report by Inmarsat-C station is sent as:
A. TELEX message B. E-mail C. DATA report D.
Fax relay Answer: C
83. Which of the following statements about polling is correct?
A. Polling messages can only sent in the direction from a terrestrial user
towards the mobile unit.
B. A poll can be addressed to one specific mobile, a group of mobiles or
a group of mobiles within a specified geographic or navigational area.
C. Poll may simultaneously be received by several mobile units. D. All of above. Answer: D
84. Where is the satellites orbit of Inmarsat-F system situated?
A. Above the equator B. near polar C. 23°N D. 23° Answer: A
85. What should be doing before maintaining an EPIRB? A. rotate the mode switch to “ON” position. B. rotate the mode switch to “OFF” position. C. rotate the mode switch to “TEST ” position. D. rotate the mode switch to “MANUAL” position. Answer: B
86. What is the kind of this message if the message ID is AA01?
A. navigational warning B. meteorological warning C. weather
forecast D. ice report Answer: A
87. COSPAS-SARSAT is intended to be used for:
A. sending messages B. distress alert and locating
C. daily communications D. distress ,urgency, safety and routine correspondence.
Answer: B
88. Which of the following is not a DSC calling content?
A. the ID of calling ship B. the name of calling ship C. category of priority D. working frequency Answer: B
. All ships the requirements for radio-communication under
SOLAS should be fitted with radio telephone equipment.
A. required by B. subject to C. because of D. belonged to Answer: B
90. By using the Inmarsat system a ship can send a distress messages and it will be received.
A. know with possibility B. know without consideration C. know with certainty D. know by chance Answer: C
91. The EPIRB registration information must be updated immediately, when changes are made in:
A. ownership, ship‟s name, flag state
B. similar key information concerning a vessel C. ship‟s operating area
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D. A and B Answer: D
92. Which of the following two digits code is used in Inmarsat to obtain medical advice?
A. 31 B. 34 C. 32 D. 38 Answer: C
93. Which of the following two digits code is used in Inmarsat to obtain medical assistance?
A. 31 B. 34 C. 32 D. 38 Answer: D
94. Which of the following two digits code is used in Inmarsat to obtain maritime assistance?
A. 32 B. 37 C. 38 D. 39 Answer: D
95. Two-way store and forward telex messaging is available in which of the following system?
A. Terrestrial NBDP B. Inmarsat-C C. Inmarat-B or Inmarsat-F D. DSC Answer: B
96. In Inmarsat-C system, confirmation of delivery is to provide a delivery notification when:
A. a ship to shore message is delivered to a final destination. B. a ship to ship message is delivered to a final destination. C. A and B
D. only a distress message is delivered to the RCC. Answer: C
97. DSC area call can be to a fixed geographical area, such as: A. one of the NAVAREAs.
B. a temporary geographic area selected by the originator. C. the area in which is covered by the geostationary satellites. D. A and B Answer: D
98. The location of the vessel in distress is immediately relayed through a mission control center to:
A. an aviation or maritime rescue coordination center in the vicinity of the vessel.
B. an OCC who is in control of the rescue operation. C. a coast station in the vicinity of the distress vessel. D. the NCS of the ocean region. Answer: A
99. There shall be available at , while the ship is at sea, a supply of electrical energy sufficient to operate the radio installations and charge any batteries for the radio installations.
A. once a week B. once a month C. all times D. distress situation Answer: C
100. When a station called does not reply to a call sent three times at intervals of two minutes, the calling shall: A. continue B. cease
C. make again in a interval of three minutes D. change to another channel. Answer: B
101. In the case of a communication between a ship station and an aircraft
station, calling may be renewed after an interval of:
A. 1 minute B. 2 minutes C. 3 minutes D. 5 minutes Answer: D
102. Ship stations on hearing their call sign or other identification in the
traffic list transmitted by a coast station, should:
A. avoid to communicate in a distress and safety frequency.
B. use a routine working frequency for the subsequent communications. C. reply as soon as they could. D. none of above. Answer: C
103. A ship station calling a coast station by radiotelephony shall use: A. the safety frequencies
B. the international radiotelephony safety frequency. C. the ARQ mode.
D. the working frequencies associated with that of the coast station. Answer: D
104. When a vessel is in distress, using the inland emergency service to
request assistance is:
A. a reliable method. B. strongly discouraged
C. an effective way recommended by the administration D. A and C Answer: B
105. In ARQ mode, after an exchange of answerbacks, and upon receipt
of , the ship sends its traffic.
A. KKKK B. GA+ C. MSG+ D. URG+ Answer: C
106. What is the basis for distress alerting and safety calling? A. RT B. WT C. EPIRB D. DSC Answer: D
107. When a ship station communicates with a shore station, it should be
carried out on the channel or frequency . A. indicated in the traffic list B. indicated by the shore
station
C. indicated by IMO D. indicated in Chapter Ⅳ
of radio regulation. Answer: B
108. When possible, necessary for satisfactory communication
should be used.
A. a PANPAN or MAYDAY signal B. VHF CH16
C. DSC on 2187.5KHZ
D. the lowest transmitter power Answer: D 109. Which of the following belongs to the space segment of Inmarsat
system?
A. MCC B. NCS C. geostationary satellites D. LES and LUT
Answer: C 110. Doppler shift is used in the following sub-system of GMDSS:
A. DSC B. Inmarsat C. COSPAS-SARST D. terrestrial system
Answer: C
第三部份 英语阅读
单项选择题
1. IMO has decided that all ships over 300TGt must be fitted with a
NAVTEX receiver ______ .
A. by 01 Feb 1992 B. by 01 Aug 1993 C. between 01 Feb 1992 and 01 Feb 1999 D. before 01 Feb 1992
2. GMDSS is to provide ______ with reliable communication .
A. all large passenger vessels
B. freighters of more than 300gt in coastal waters
C. all passenger ships and cargo ships engaged in international-voyages
D. all passenger ships and cargo ships of 300gt upwards in open sea 3. The complying vessels can transmit ship-to-shore distress alerts by at
least ______ .
A. One means, whether satellite or terrestrial techniques B. Two means, whether satellite or terrestrial techniques
C. Two separate and independent means, each using different radio communication services D. Two means, such as MF DSC and HF DSC
4. The quality of the message can be affected by ______ .
A. climate B. sunshine C. human beings D. both a and b
5. Within the polar areas it is ______ to see a satellite in geo-stationary
orbit .
A. impossible B. possible C. easy D. difficult
6. The Inmarsat system is open for use by ______ countries on a
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non-discriminatory basis .
A. some B. lots of C. many D. all 7. With the help of GMDSS ______ can be alerted to a distress incident
as soon as possible .
A. all ships in a large sea area B. only the sea authorities ashore
C. the SAR units ashore and at sea D. the port radios and the coast stations
8. In areas covered by Inmarsat HF can be used as an ______ to satellite
communications.
A. alternation B. alternate C. alter D. alternative
9. When receiving a distress alert, the SAR authorities ashore and the
ships in the vicinity of the ship in distress will ______ in a coordinated search and rescue operation with the minimum delay . A. assist B. send a rescue vessel C. search the distress area D. reach the distress position at once
10. In which year was the COSPAS-SARSAT system established ?
A. 1980 B. 1981 C. 1979 D. 1982 11. It is quite ______ for an SES operator to send a distress alert .
A. easy and expensive B. simple and certain C. dangerous and stable D. difficult and compulsory 12. Any ships fitted with SES can ______ and _______ through the
satellite system when sending a distress alert . A. enter the system / contact an RCC
B. access to INMARSAT / establish contact with a CES
C. have absolute priority to enter the system / make contact with a CES
D. enter the system gradually / wait for rescue 13. What‟s the advantage when using the satellites ?
A. The message can be directed to the desired location B. The message can follow the earth‟s curvature
C. The quality of message can not be affected by climatic
D. The range of the message extend and the quality of reception is improved
14. The DSC frequency for distress alerting in Area A2 is ______ .
A. 2182KHZ B. 2174.5KHZ C. 2192KHZ D. 2187.5KHZ
15. What channel is general communication used ?
A. any appropriate channel except public communication B. any appropriate channel except for public communications C. any appropriate channel besides public communication D. any appropriate channel beside public communication 16. why do some stations keep silence ?
A. Because they are not engaged in the distress traffic B. they will affect the transmission of the distress traffic C. The powers of these stations are very weak D. They are not in charge of search and rescue
17. General radio communications in the global system are those
between ______ concerning the management and operation of the ships and may have impact on their safety . A. SAR party and the ship in distress
B. SAR authorities and the ship in distress and survival craft C. A ship station and any coast station
D. Ship stations and shore-based communication network
18. It is required that ships proceeding at sea should keep continuous
watch on ______ .
A. VHF channels 16 and 13 B. Appropriate DSC distress and safety frequencies C. INMARSAT TDM message channel D. VHF channel 70 and channel 8
19. The ARQ mode should be applied ______ .
A. when two stations communicate with each other B. in any radio system and at any time
C. when one ship sends a message to another station D. for communication among some stations 20. What information will a distress alert contain ?
A. nature of distress B. type of assistance required
C. course and speed and time at which the information was recorded D. A, B, C are all right
21. A radio determination system based on the comparison of reference
signals with radio signals reflected , or retransmitted from the position to be determined, is ______ .
A. DF B. Radar System C. DSC System D. COSPAS-SARSAT
22. With the help of modern technology, ships are able to receive
automated broadcast of safety messages ______.
A. by day or at night B. almost round the clock
C. somewhat and sometime D. from sunrise and sunset 23. The WWNWS is a coordinated global service for the broadcast by radio
of vital information on ______ to marine navigation.
A. ship‟s movement B. safety C. ship‟s management D. hazards
24. distress alerts will be relayed on the ______ when the RCC considers it necessary .
A. dedicated system B. MSI broadcasts C. 518KHZ D. channel 16
25. The frequency 518KHZ will be used to transmit ______ and ______ wanings in NAVTEX .
A. navigational / typhoon B. traffic / meteorological
C. marine / hurricane D. navigational / meteorological
26. It is possible for ships to receive safety message transmitted by Navtex station ______ .
A. in any INMARSAT regions B. in each NAVTEX area
C. at any distance D. in Areas A3 and A4 27. A Navtex station in each NAVAREA is usually allowed to have ______ for transmission .
A. 10 minutes every 4 hours B. half an hour every other hour
C. irregular period of time D. 5 minutes every two hours
28. The difference between international and national Navtex Service is limited to ______ .
A. frequency allocated B. both language and frequency
C. language used D. transmission power and time
29. Navtex transmitter identification character ______ is used to identify
the broadcasts which are to be accepted by the receiver and those are to be rejected .
A. B2 B. B1 C. MAR D. NNN
30. The receiving stations can use the B2 character to ______ different, classes of messages .
A. identify B. Correct C. Reject D. Print out
31. If EGC receiver shares a same antenna with Inmarsat SES, it means that
it can receive MSI ______ .
A. from any Inmarsat satellite B. from any appropriate Navtex and EGC station
C. via the satellite the SES is tracking D. from any RCC and coast station
32. Why should the SES operators be very careful when the ship enters the
area where three ocean regions overlap ? Because ______ . A. the weather is always terrible B. the condition there is complicated C. the signals are too strong
D. their SES may receive the signals from unwanted satellite
33. The establishment of INMARSAT as an independent organization
marked a great step forward for maritime radio communications . What does “marked a great step” mean in the sentence ?
A. To run faster than ever B. To go forward C. To
6
march without stopping service D. A significant symbol of a great improvement in maritime C. the service /the subscriber D. a satellite /an communication . ocean region 34. In addition to meeting the requirement of Sea area A1, every ship 49. Every ship must be fitted with SART, and two-way VHF radio
engaged on voyage in Sea area A2 shall be provided with ______ . telephone . A. MF radio installation with DSC B. SES A. 1, 2 B. 2, 3 C. 2, 1 D. 3, 2
C. MF/HF radio telephone installation D. 2187.5KHZ watch 50. The maritime access code of telephone mode in INMARSAT-A receiver terminal for the IOR is _____. 35. ______ is a space system using one or more artificial earth satellites . A. 871 B.872 C.873 D. 874
A. satellite network B. Satellite Link C. INMARSAT 51. ______ are operated as a secondary method of alerting in the GMDSS . D. Satellite System A. satellite EPIRBs B. Non-satellite EPIRBs C. SES and 36. The satellites over the major ocean regions cover the globe ______ . DSC D. a+b A. besides the polar regions B. including the North Pole and 52. Which Inmarsat system applies store-and-forward messaging ? the South Pole A. Inmarsat-A B. Inmarsat-C C. Inmarsat-B C. above 70N and below 70S D. as far north and south 70 37. There are some back-up satellites in the event of failure. If the operational satellite is out of work, ______ . A. communications in the whole system will stop B. the global system will be damaged C. the back-up one will take its place D. the whole system will not work 38. The position if the IOR satellite in the INMARSAT system is ______ above the equator . A. .5E B. 178E C. 15.5W D. 54W 39. The GMDSS defines four sea area based on the ______ . A. location and capacity of the facilities located on board ships B. Position and type of a sincere sintion C. Capacity and location of shore based communication facilities D. Position and capacity of mobile communication stations. 40. The NCS of INMARSAT-A system in the IOR is in ______ . A. Goonhilly, UK B. Yamaguchi, Japan C. Perth, Australia D. Southbury, USA 41. The Network Coordination station for the INMARSAT-A coast stations in the Pacific ocean region is in ______ . A. Yamaguchi, Japan B. Beijing, China C. Nakhodka, Russia D. Perth, Australia 42. Any ship with SES can ______ and ______ through the Inmarsat satellites when sending a distress alert . A. enter the system rapidly / wait for rescue B. have an absolute priority to enter the system / contact with a CES C. establish contact with the RCC / enter the port D. enter the system gradually / get the rescue 43. A mobile earth station in the maritime mobile-satellite service, which is located on board ship, is called ______ . A. an LES B. an SES C. a ship station D. a Land Mobile Station 44. After successful commissioning , the ______ will permit the SES access to system. A. INMARSAT B. IMO C. MSC D. CES 45. In general, there are two parts in an SES, One of these is antenna eqipment also referred to as ______ . A. BDE B. UDE C. AEP D. ADE 46. To establish a communication channel for the telex service in the INMARSAT-A terminal, you should first ______ . A. establish a communication channel from the CES, via the International Telex Network to the final destination B. set up a communication channel from your SES, via a satellite, to a CES within your ocean region C. set up a channel directly to the addressee at the destination D. establish a channel from your terminal , via the International Telex Network to a CES within your ocean region 47. The maritime access code for the AOR-E is ______ in INMARSAT-A Telex Service . A. 581 B. 582 C. 583 D. 584 48. When you have received GA+ from the CES for the INMARSAT-A telex communication, you should immediately select ______ and ______ you required . A. an CES / telex mode B. an SES telex D. Inmarsat-M 53. Distress signal are always stored in the memory so as to start ______ .
A. local-mode coverage B. SAR operations C. data process D. continuous broadcast
54. EGC is a ______ part of INMARSAT-C . A. component B. supportable C. combined D.
complimentary 55 An area within the coverage of at least one VHF shore station in which
continuous DSC distress alerting is available is ______ . A. sea area A1 B. sea area A2 C. distress area D. GMDSS areas 56. An area within the coverage of at least one MF shore station in which
continuous DSC distress alerting is available is ______ . A. Sea area A1 B. Sea area A2 C. Distress area D. GMDSS areas 57. In area A2, the DSC frequency for distress alerting is ______ . A. 2182KHz B. 2174.5KHz C. 2191KHz D. 2187.5KHz 58. If a DSC distress relay is transmitted from coast station , it will
______ . A. indicate the ship in distress that the alert has been received
B. alert ships in the area of a distress incident that a distress has occurred
C. inform other coast station of distress incident D. repeat the distress alert in 5 minutes
59. Ship-to-ship distress alerting should be conducted by ______ . A. Inmarsat SES B. VHF/DSC or MF/DSC C. SART and VHF/DSC D. Satellite EPIRB and VHF/DSC
60. If the DSC controller is configured for MF/HF operation, the distress will be sent on ______.
A. double frequencies B. single frequency C. dedicated frequency D. multiple frequencies
61. Maritime Safety Information ______ International SafetyNet Service and NAVTEX Service . A. consists of B. can be received C. is transmitted by
D. Are made on 62. IMO has decided that all ships over 300TGT must be fitted with a NAVTEX receiver.
A. by 01 Feb 1992 B. 01 Aug 1993 C. between 01 Feb 1992 and 01 Feb 1999 D. before 01 Feb 1992 63. Ships sailing in ______ are able to receive and print out EGC messages. A. a fixed area or Navarea in any ocean region B. a Navarea or weather forecast area C. the designated area or given geographic position D. anywhere of the world
. Ships sailing in ______ are able to receive and print out EGC messages . A. a fixed area or Navarea in any ocean region B. a Navarea or weather forecast area
C. the designated area or given geographic position D. anywhere of the world 65. ______ can receive MSI sent by coast station .
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A. A NAVTEX receiver B. An EGC receiver
C.. MF/HF radio telephone D. HF radio securing the antenna effectively in its operating position.
A. one-way B. two-way C. double-effect telephone with NBDP
66. SafetyNet is a maritime safety information broadcast service offering ______ on suitably equipped ships.
A . free reception B. free transmission C. dedicated reception D. dedicated transmission
67. COSPAS-SARSAT has the function of ______ .
A. distress alerting B. communication C. broadcasting MSI D. on-scene communication
68. The COSPAS-SARSAT 406MHZ system was adopted as an element of
the GMDSS by IMO in ______ .
A. 1992 B. 1980 C. 1984 D. 1988 69. ______ is capable of finding any 406MHZ beacons no matter
where they are.
A. Local User Terminal B. Spacecraft
C. Local-mode coverage D. Near polar orbiting satellites 70. COSPAS-SARSAT cannot fulfill the function of :
A. determining the position of a distress vessel B. both a and c
C. distress communication D. distress alerting and position fixing in Area A4 71. the beacon located on board aircraft is termed _____ . A. EPIRB B. PLB C. ELT D. MCC 72. for COSPAS-SARSAT system, _____ transmit distress alert and
location information to appropriate rescue authorities all over the world .
A. Polar orbiting satellites B. Ground receiving stations C. MCC D. ROC
73. Distress alerting is usually transmitted to _____ .
A. ships near distress position B. rescue coordination center
C. all ships in a large area D. both a and b
74. Exchange of answer-backs acts a confirmation that the messages
_____ at the destination.
A. have received B. have been received C. are received D. are being received
75. The range of a MF coast station is normally _____ nm.
A. 20 to 30 B. 200 C. 100 D. 450 76. _____ process the distress signal from EPIRB to determine its
position and identity.
A. COSPAS-SARSAT B. ground receiving stations C. storing distress signal D. Near polar orbiting satellites
77. A station in the mobile service the emissions of which are intended
to facilitate search and rescue operations is _____ .
A. EPIRB B. SART C. Mobile Station D. Distress Alerting
78. Every ship, while at sea, shall be capable.
A. of receiving shore-to-ship distress alerts B. of transmitting and receiving MSI
C. of transmitting and receiving ship-to-ship distress alerts D. A, B, C are all right
79. Every radio installation shall be clearly marked with the _____ ,
the ship station identity and other codes as applicable for the use of the radio installation.
A. call sign B. port of register C. radio name D. signal label
80. Bridge-to-bridge communication means _____ communications
between ships from the position from which the ships are normally navigated.
A. distress B. urgent C. safety D. general
81. Every lifeboat which is fitted with a fixed _____ VHF
radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and D. one-effect
82.
Every lifeboat which is fitted with a fixed two-way VHF radiotelephone apparatus with_____ which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in is operating position.
A. a dummy antenna B. a supporting facilities C. a back-up equipment D. an antenna
83.
At least _____ two-way VHF radiotelephone apparatus shall be provided on every cargo ship of 300 tons gross tonnage and upwards but less than 500 tons gross tonnage.
A. one B. two C. three D. four
84. Stations in the United States of America are grouped by states arranged in the alphabetical order of their _____.
A. countries B. states C. names D. groups
85. According to the basic concept of GMDSS, _____ can be rapidly alerted to a distress incident. A. only SAR authorities on land B. all ships in a very large sea area
C. the nearest coast stations and port radios
D. the SAR authorities ashore as well as ships in the vicinity of the casualty
86. Having studied the INMARSAT document, GMDSS document, SOLAS Convention and other international navigation documents, we all know that the Chapter IV of SOLAS Convention is mainly about _____ .
A. the radio regulations B. the technical terms and definitions
C. how to operate the GMDSS SES equipment D. Maritime Communications
87. What following is not among the functions of SOLAS ships ?
A. receive shore-to-ship distress alerting B. transmit ship-to-shore distress alerting
C. receive message for public correspondence D. transmit and receive locating signals
88. Vessel in distress _____ indicate their position by any method.
A. cannot B. are no allowed C. have the right D. should get permission to
.
The distress alert should _____ the ship in distress.
A. identity B. identical C. identify D. identification
90. General radio communications in the global system may _____ ship‟s safety .
A. be responsible for B. have an impact on C. command D. give a guidance to
91. In the case of a ship in distress , the need exists to create a temporary geographic area to _____ locating potential assisting ships.
A. increase B. improve C. facilitate D. develop
92. Distress traffic is the communication _____ between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.
A. exchange B. to exchange C. exchanging D. exchanged
93. A SART provides the main means _____ a survival craft or the mother ship in distress under the global maritime distress and safety system.
A. to locate B. for locating C. in locating D. by locating
94. The portable SART is designed _____ on the bridge in its container.
A. to stow B. for stowing C. being stowed D. to be stowed
95. What did you say on board _____ any part of the message is
8
considered sufficiently important to need safe guarding ? A. which B. if C. why D. that 96. The advantage of geo-stationary satellites is _____ . A. the range of antennal can cover everywhere in the world B. we can know the ship‟s exact position C. that the distress alert can be located as soon as possible D. antenna of permanrent earth stations may be directed towards fixed points in the sky 97. Some words in English have meanings _____ the context in which they appear. A. depended on B. which depend on C. which depends on D. to which depends on 98. The fishing vessel _____ the distress area until the assistance vessel arrived. A. leave B. left C. has left D. didn‟t leave 99. All coast radio stations _____ DSC installed for VHF and HF. A. have B. had C. are having D. have had 100. By using previous communication system, rescue is often a matter of chance. What does “a matter of chance “ mean ? A. occasionally B. accidentally C. often D. usually 101. SOLAS vessels should be able to communicate with a shore station _____. A. no matter where they are and what time it is B. at scheduled time and in major ocean regions C. at fixed time and position D. when they get permission 102. The basic concept of GMDSS is _____. A. Search and rescue authorities ashore will rapidly received an distress alert and acted upon B. SAR units will be rapidly alerted to a distress incident and assist in a coordinated SAR operation C. Ships navigating in the immediate vicinity of the ship in distress will rapidly alerted to the alert and give their help accordingly D. The RCC will rapidly alerted to a distress alert through satellite and terrestrial communication techniques and conducted a rescue operation immediately 103. The complying vessels will transmit ship-to-shore distress alert by _____ in area A4. A. MF DSC B. HF DSC C. 406MHZ S-EPIRB D. Both b and c 104. The INMARSAT safety-net service covers _____. A. the whole world B. all NAVAREAS C. areas from A1 to A2 D. only four Inmarsat regions 105. Which Inmarsat system applies store-and-forward messaging ? A. Inmarsat-A B. Inmarsat-B C. Inmarsat-C D. Inmarsat-F 106. The Inmarsat system is open for use by _____countries on a non-discriminatory basis . A. some B. lots of C. many D. all 107. Sea Area A3 is an area within the coverage of _____in which continuous alerting available . A. VHF stations B. MF/HF stations C. Radio stations D. INMARSAT stations 108. The GMDSS must combine all various subsystems, because _____. A. they all have different limitations with respect to coverage B. they all have different limitations in the technology they use C. different systems apply to different ships D. all of above 109. In addition to communication equipment, the GMDSS will introduce requirements of SARTs and EPIRBs designed to improve the _____. A. living standards B. survival condition C. chance of survival D. technical specification 110. Ships equipped with Inmarsat SES send distress alerts both _____and _____. A. quick and good B. convenient and certain C. easily and simply D. important and difficult 111. Some radio waves _____ the surface of the earth because of its _____ . A. are capable of following / distance B. can follow / altitude
C. can hardly follow / shape D. are unable
following / angle 112. Ships in areas A3 and A4 will transmit, as appropriate, _____ . A. a ship to ship alert on MF/VHF B. a ship to shore alert by SES/HF DSC C. a ship to shore alert by satellite EPIRB D. all of a, b, c
113. What‟s the advantage when using the satellites ?
A. The message can be directed to the desired location B. The message can follow the earth‟s curvature C. The quality of message can not be affected by climatic
D. the range of the message extend and the quality of reception is
improved 114. General communications are those communications _____ .
A. between ship stations and shore-based communication networks
B. concern the management and operation of ships C. may have an impact of the safety on ships
D. all of A, B, C
115. What channel is general communication used ? A. any appropriate channel except public communication B. any appropriate channel except for public communications
C. any appropriate channel besides public communication D. any appropriate channel beside public communication
116. A ship station on receiving a shore-to-ship distress alert should _____ . A. keep silence B. interfere with such communication C. establish communication as directed and render such assistance
as is required and appropriate
D. refuse communication as directed and render such assistance as is required and appropriate
117. Signals for locating will be transmitted in the 9GHz band by means of _____ .
A. SART B. DSC C. NBDP D. RT 118. Which of the following optional equipment can be used by a ship in Area A3 for ship to shore distress alerting ?
A. VHF DSC B. MF DSC C. INMARSAT SES D. VHF 70CH EPIRB
119. The ARQ mode should be applied _____ . A. when two stations communicate with each other
B. in any radio system and at any time C. when one ship sends a message to another station D. for communication among some stations
120. The SART should provide a _____ indication of its correct operation and should also inform survivors when it is interrogated by radar.
A. sight or sound B. seeing or sounding
C. visual or audible D. seeing or hearing 121. When the power of a SART is on , it will _____ . A. transmit distress signal B. send response signal
C. transmit the signal of ship‟s position D. be interrogated by
X-band radar 122. With the help of modern technology, ships are able to receive
automated broadcast of safety messages _____ . A. by day or at night B. almost round the clock
C. somewhat and sometime D. from sunrise to sunset
123. International SafetyNet and Navtex Services promulgate MSI by means of _____ . A. FEC and ARQ B. satellite and terrestrial communications
C. radio and telex D. NBDP
124. In the GMDSS, MSI broadcasts will be made on two dedicated systems: _____ and _____ . A. NBDP/VHF radio B. Inmarsat
safetyNet/NAVTEX C. Safety service / Inmarsat-A D. Long range / short
range
9
125. Ships at sea are in urgent need of MSI because they are _____ various kinds of danger . A. subject for B. liable to C. easy to meet D. always encounter 126. The NAVTEX receiver can be mounted on _____ . A. on the bridge B. in the coast station C. on the forecastle D. on starboard side 127. The distance between the two Navtex stations with the same B1 character should be not exceed _____ nautical miles . A. 400 B. 400 C. 450 D. 180 128. NAVTEX transmissions have a designed range of about _____ nautical miles . A. 300 B. 400 C. 500 D. 600 129. The transmitter identification character B1 is a single unique letter which is allocated to each NAVTEX _____ . A. receiver B. SES C. CES D. Transmitter 130. In NAVTEX service, the subject indicate character B means _____ . A. meteorological warnings B. navigational warnings C. search and rescue information D. meteorological forecast 131. In NAVTEX service, VITAL warnings will _____ by transmitting station . A. be transmitted at once though the frequency is not clear B. be transmitted as soon as the frequency is cleared coordinately C. be transmitted at its scheduled transmissions D. be transmitted at next scheduled transmissions 132. The satellites over the major ocean regions cover the globe _____ . A. besides the polar regions B. including the North Pole and the South Pole C. above 70°N and below 70°S D. as for north and south as 70° 133. The establishment of INMARSART as an independent organization marked a great step forward for maritime radio communications. What does “marked a great step” mean in the sentence ? A. To run faster than ever B. To go forward C. To march without stopping D. A significant symbol of a great improvement in maritime communication. 134. In addition to meeting the requirement of Sea A1 and A2, every ship engaged on voyage in Sea area A3 shall be provided with _____ . A. MF radio installation with DSC B. SES or HF with DSC C. MF/HF radio telephone installation D. 2187.5Khz watch receiver 135. There are _____ operational satellites in the INMARSAT system covering the whole globe except the polar regions . A. 3 B. 4 C. 8 D. 12 136. There is actually an overlap of _____ ocean regions somewhere in Western European Waters. A. as many as three B. more than two C. less than two D. up to four 137. There is actually an overlapped area of _____ ocean regions somewhere in Western European Waters . A. two B. three C. more than two D. more than three 138. The position if the AOR-w satellite in the INMARSAT system is _____ above the equator . A. .5E B. 178E C. 15.5W D. 54W 139. The GMDSS defines four sea area based on the _____ . A. location and capacity of the facilities located on board ships B. Position and type of a sincre sintion C. Capacity and location of shore based communication facilities D. Position and capacity of mobile communication stations. 140. The NCC is located in the _____ . A. IMO Headquarters in London B. Inmarsat Headquarters building in London C. Western European Maritime Organization D. International Maritime Safety Committee 141. The Network Coordination Station for the INMARSAT-A coast stations in the Pacific ocean region is in _____ . A. Yamaguchi, Japan B. Beijing, China C. Nakhodka, Russia D. Perth, Australia 142. The Inmarsat SES operator can choose the most suitable CES
according to _____ . A. his service and position B. time and course C. tide and speed D. type of his ship
143. During a _____ period, as a newly commissioned SES, your IMN will be past to the other CESs. A. 20 hour B. 12 hour C. 24 minute D. 24 hour 144. After successful commissioning, the _____ will permit the SES access to system.
A. INMARSAT B. IMO C. MSC D. CES 145. Who has permit the SES enter the system after successful commissioning ? A. Network B. The CES preferred by the applicant C. INMARSAT D. The SES itself 146. In Inmarsat-A, “Priority 3” means _____ communication . A. routine B. distress C. urgency D. safety 147. The maritime access code for the IOR is _____ in INMARSAT-A
Telex Service. A. 581 B. 582 C. 583 D. 584 148. In Inmarsat-A, “Priority 0” means _____ communication. A. routine B. distress C. urgency D. safety 149. Every ship must be fitted with SART, and two-way VHF radio
telephone. A. 1, 2 B. 2, 3 C. 2, 1 D. 3, 2
150. The maritime access code of telephone mode in INMARSAT-A terminal for the AOR(W) is _____.
A. 871 B. 872 C. 873 D. 874 151. _____ are operated as a secondary method of alerting in the GMDSS. A. satellite EPIRBs B. Non-satellite EPIRBs C. SES and DSC D. a+b
152. Which Inmarsat system applies store-and-forward messaging ? A. Inmarsat-A B. Inmarsat-C C. Inmarsat-B D. Inmarsat-M
153. Distress signal are always stored in the memory so as to start _____ . A. local-mode coverage B. SAR operations C. date process D. continuous broadcast 154. EGC is a _____ part of INMARSAT-C. A. component B. supportable C. combined D.
complimentary 155. _____ will form the basis for distress alerting and safety calling. A. GMDSS B. EGC C. MSI D.
DSC
156. Mariners can use DSC for _____ . A. general communication B. distress alerting and safety calling
C. receiving MSI D. both b and c 157. In Area A2, the DSC frequency for distress alerting is _____ . A. 2182KHz B. 2174.5KHz C. 2191KHz D. 2187.5KHz 158. If a DSC distress relay is transmitted from a coast station, it will _____. A. indicate the ship in distress that the alert has been received B. alert ships in the area of a distress incident that a distress has
occurred C. inform other coast stations of distress incident D. repeat the distress alert in 5 minutes 159. distress and safety communications following DSC calling will be performed by radiotelephony or _____ . A. NBDP B. EGC receiver C. NBDP or both D. EGC receiver or both 160. If the DSC controller is configured for MF/HF operation, the distress
10
will be sent on _____.
A. double frequencies B. single frequency
C. dedicated frequency D. multiple frequencies 161. IMN is an _____ for an SES.
A. International Mobile Number B. Inmarsat Maritime Number
C. INMARSAT Mobile Number D. International Maritime Number
162. However, reception of certain types of MSI messages, such as shore to
ship distress alerts and navigational and meteorological warnings are _____ .
A. selective and can be suppressed by ships
B. mandatory and cannot be suppressed by ships in the affected area A. Satellite Network B. Satellite Link C. GMDSS D. Satellite System
175. In GMDSS, any kind of EPIRB can have the abilities to keep water
proof for _____in 10m deep.
A. 2min B. 5min C. 10min D. 15min
176. _____process the distress signal from EPIRB to determine its position and identity.
A. COSPAS-SARSAT B. ground receiving stations
C. storing distress signal D. Near polar orbiting satellites
177. The auto-transmission of TRON-30S S-EPIRB will start _____.
A. when the switch is set to “ON” B. until it is in water of C. not very important so that ships don‟t require them D. received by all ships wherever they are
163. Ships sailing in _____ are able to receive and print out EGC message. A. a fixed area or Navarea in any ocean region B. a Navarea or weather forecast area
C. the designated area or given geographic D. anywhere of the world
1. Ships sailing in _____ are able to receive and print out EGC message. A. a fixed area or Navarea in any ocean region B. a Navarea or weather forecast area
C. the designated area or given geographic D. anywhere of the world
165. Within the area of INMARSAT coverage, _____ receives MSI via SafetyNet service .
A. EGC receiver B. NAVTEX receiver C. VHF R/T D. MF/HF radio telephone
166. The International SafetyNet Service is able to address the call to _____ .
A. all vessels B. selected groups of ships C. a particular ship D. a, b, c are all
167. COSPAS-SARSAT has the function of _____.
A. Distress alerting B. distress communication C. broadcasting MSI D. On-scene communication
168. COSPAS-SARSAT provides distress alerts and location information to
appropriate rescue authorities, _____ for _____ in distress. A. over all major ocean regions / all ships B. in the polar regions / some ships
C. below the North pole and above the South pole / ocean-going ships D. anywhere in the world / maritime, aviation and land system users 169. What is COSPAS-SARSAT ?
A. an international satellite system for improving communications
in polar regions
B. an international satellite system using a number of
polar-orbiting satellites
C. primary used for search and rescue D. B and C
170. COSPAS-SARSAT is intended to be used for search of people in distress, _____ .
A. only at sea or in air B. no matter where they are C. mainly at sea or on board D. In Inmarsat operational regions
171. The COSPAS-SARSAT system can provide distress alerts to the
appropriate rescue authorities _____ .
A. at sea B. on land C. in the air D. Throughout the world
172. For COSPAS-SARSAT system, _____ transmit distress alert and
location information to appropriate rescue authorities all over the world.
A. Polar orbiting satellites B. Ground receiving stations C. MCC D. ROC
173. Equipment without the function of distress alerting is .
A. SART B. EPIRB C. DSC D. INMARSAT SES 174. _____is a space system using one or more artificial earth satellites. some depth
C. when it is stored in an inverted position D. as soon as it is in water upright
178. International NAVTEX means the coordinated broadcast and
automatic reception on 518KHz or maritime safety information by means of _____using English language.
A. EGC receiver B. narrow-band direct-printing gelegraphy
C. radio communication D. terrestrial technique
179. Every ship, while at sea, shall maintain a continuous watch on _____if
the ship is fitted with an MF radio installation.
A. 2182KHz B. 156.8MHz C. 2187.5KHz D. 2182.7KHz
180. Bridge-to-bridge communication means _____communications
between ships from the position from which the ships are normally navigated.
A. distress B. urgent C. safety D. general
181. Ships of 500 tons gross tonnage and upwards constructed on or after
_____shall be fitted with a radar installation.
A. 1 January 1985 B. 1 February 1984 C. 1 September 1984 D. 1 December 1985
182. When engaged on international voyages, ships of 1600 tons gross
tonnage and upwards shall be fitted with a _____.
A. radio direction-finding apparatus B. DSC C. NAVTEX D. EPIRB
183. The sitting and installation of accumulator batteries which provide a
reserve source of energy shall be such as to ensure _____.
A. the highest degree of service B. a reasonable lifetime C. reasonable safety D. a, b, c are all right 184. Why do some stations keep silence ?
A. Because they are not engaged in the distress traffic
B. They will affect the t ransmission of that distress traffic C. The powers of these stations are very weak D. They are not in charge of search and rescue
185. Stations are grouped by countries arranged in the _____order of their country symbols.
A. alphabetical B. figure C. name of stations D. series 186. Having studied the INMARSAT document, GMDSS document,
SOLAS Convention and other international navigation documents, we all know that the Chapter IV of SOLAS Convention is mainly about _____.
A. the radio regulations B. the technical terms and definitions
C. how to operate the GMDSS SES equipment D. Maritime Communications
187. The list of Coast Stations is republished _____in a trilingual .
A. every two years B. every three years C. every year D. every four years
188. Vessel in distress _____indicate their position by any method .
A. cannot B. are not allowed C. have the right D. should get permission to
1. A rectangular area is described in degrees of latitude and longitude
from the latitude and longitude of the southwest corner of _____. A. square B. triangle C. circle D. rectangle
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190. Radar bandwidth is normally _____to the range scale and the 207.______ communication are intership VHF radio telephone associated pulse length. communication . A. fixed B. matched C. fitted D. equal A. ship-to-shore B. shore-to –ship C. bridge-to-bridge 191. Which expression has the different meaning from entry into force ? “entry into force” means is _____. A. coming into effect B. moving to full effect C. being based on force D. coming into force 192. The emergency communication set‟s transmitter should not be tested except when _____by a public radio inspector. A. inspecting B. inspected C. inspects D. having inspected 193. Before _____, a station shall take precautions to ensure that its emission will not interfere with transmission already in progress. A. transmit B. to transmitting C. transmitting D. in transmitting 194. When hearing a distress call, all station shall immediately cease any transmission capable of with the distress traffic. A. interfere B. interfering C. being interfered D. interference 195. _____we stand away from the church bell, it takes time for the sound waves to each us. A. If B. Whenever C. Because D. Where 196. _____it is advisable to remain on a VHF channel 8, say: “stand by on VHF channel 8”. A. That B. / C. When D. What 197. In the IMO SMCP the situations _____phrases using the work “can” appear it clear whether a possibility is referred to . A. where B. when C. after D. unless 198. The foreign seafarers said goodbye to us and looked forward to _____each other soon. A. see B. seeing C. be seen D. being seen 199. A sailor on board _____from appendicitis and required operation immediately. A. was suffering B. is suffering C. has suffered D. has been suffering 200. Every ship _____on or after 1 February 1995 shall comply with all the applicable requirements of Chapter Four. A. constructs B. constructed C. has constructed D. was constructed 201. Effort made for marine safety ______ the Titanic tragedy in 1912. A. started / after B. has started / since C. was beginning /when D. begins / after 202. The first communication satellite was used for the purpose of ______ . A. taking the place of the radio system B. introducing a new life-saving system C. saving the vessels in distress D. improving the communication on land 203. The purpose of the GMDSS is to ______ safety of life and property at sea all over the world. A. promote B. improve C. guarantee D. both a and b 204. The world‟s first communication satellite, Telstar, was put into orbit in ______ . A. 1962 B. 1960 C. 1957 D. 1966 205 .______ is the united nations agency responsible for the Radio Regulations among other things. A. ITU B. IMO C. MSC D. WMO 206. From IMO‟S point of view, INMARSAT‟s most important function is the provision of ______ . A. general radio communication B. MSI C. improved distress and safety communication D. bridge-to-bridge communication D. a,b and c
208. The ______ is that search and rescue authorities ashore, as well as shipping in the immediate vicinity of the ship in distress, will be rapidly alerted to a distress incident so they can assist in a coordinated SAR operation with the minimun delay.
A. common communication system B. distress traffic system C. basic concept of GMDSS D. SAR operation procedure 209. Actually, the date for entry into effect will be 1st February ______.
Though the text does not tell us about it. A. 1995 B. 1998 C. 1999 D. 2000 210. The frequency 156.525MHZ and 156.8MHZ should be used in the band of ______.
A. MF B. VHF C. HF D. LF 211. Some radio waves ______ the surface of the earth because of its______. A. are capable of following / distance B. can follow / altitude C. can hardly follow / shape D. are unable following / angle 212. We ______ the distress signal on our own radio before the shore station relayed it to us . A. received alreadly B. have received C. had received D. was receiving 213. In the GMDSS, distress alerting can be transmitted in ______
directions. A. 1 B. 2 C. 3 D. 4 214. When receiving a distress alert, the SAR authorities ashore and the ships in the vicinity of the ship in distress will ______ soonest. A. reach the distress area B. conduct a sector search C. send rescue vessels D. assist coordinately in SAR operation 215. What channel is general communication used ? A. any appro9priate channel except public communication
B. any appropriate channel other than public communication C. any appropriate channel in addition to public communication D. any appropriate channel beside public communication
216. A ship station on receiving a shore-to-ship distress alert should ______. A. keep silence B. interfere with such communication
C. establish communication as directed and render such assistance as is required and appropriate D. refuse communication as directed and render such assistance as
is required and appropriate 217. General radio communications in the global system are shoes between
______ concerning the management and operation of the ships and may have impact on their safety. A. SAR party and the ship in distress
B. SAR authorities and the ship in distress and survival craft C. A ship station and any coast station D. Ship stations and shore-based communication network 218. All stations which receive a distress alert shall immediately cease
______. A. any transmission B. any harmful transmission C. to use radiotelephone D. using radiotelephone 219. The ARQ mode should be applied ______.
A. when two stations communicate with each other B. in any radio system and at any time C. when one ship sends a message to another station D. for communication among some stations
220. What should be made known in the lists of coast and ship stations ? A. the services of the stations open to public correspondence B. the information on charging C. what kind of the public correspondence
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D. A and B A. two B. three C. more than two D. more
221. A SART can be fixed on ______. than three
A. a mother ship B. a lifeboat C. a life craft 238. The position of the POR satellite in the Inmarsat system is ______ D. all of A,B,C 222. It is possible for ships to receive safety message transmitted by a NAVTEX station ______. A. in any Inmarsat regions B. in each NAVAREA C. at any distance D. in area A3 and A4 223. The broadcast of MSI is made on two dedicated systems. “dedicated” means ______. A. special B. different C. expensive D. valuable 224. In the GMDSS, MSI broadcasts will be made on two dedicated systems: ______ and ______. A. NBDP/VHF radio B. Inmarsat safety NET/NAVTEX C. Safety service/Inmarsat-A D. Long range/short range 225. The concept of NAVTEX is of a ______ system for the broadcast and receipt of MSI . A. search and rescue B. safe C. co-ordinated D. hydrographic 226. The NAVTEX receiver can be mounted on ______. A. on the bridge B. in the coast station C. on the forecastle D. on starboard side 227. A Navtex station in each NAVAREA is usually allowed to have ______ for transmission. A. 10 minutes every 4 hours B. half an hour every other hour C. irregular period of time D. 5 minutes every two hours 228. The difference between international and national Navtex Service is limited to ______. A. frequency allocated B. both language and frequency C. language used D. transmission power and time 229. Navtex transmitter identification character ______ is used to identify the broadcasts which are to be accepted by the receiver and those are to be rejected. A. B2 B. B1 C. MAR D. NNN 230. All NAVTEX messages ______ owing to their nature of importance. A. can suppress B. can be suppressed C. can not be suppressed D. are to be suppressed 231. The coordinated broadcast and automated reception of MSI via the INMARSAT EGC system using English to meet the requirements of the SOLAS Convention: ______. A. international NAVTEX Service B. FleetNET Service C. SafetyNet Service D. WWNWS 232. Why should the SES operators be very careful when the ship enters the area where three ocean regions overlap? Because ______. A. the weather is always terrible B. the condition there is complicated C. the signals are too strong D. their SES may recive the signals from unwanted satellite 233. The INMARSAT consists of ______ major components. A. 4 B. 9 C. 8 D. 5 234. In addition to meeting the requirement of Sea area A1, every ship engaged on voyage in Sea area A2 shall be provided with ______. A. MF radio installation with DSC B. SES C. MF/HF radio telephone installation D. 2187.5Khz watch receiver 235. The INMARSAT system has five major components, they are : A. Space Segment, NCC, RCC, SES, and CES B. Space Segment, a satellite system, C system, NCC and NCS C. Space Segment, NCC, NCS, CES and SES D. A system, C system, satellite system, earth stations and NCS 236. The satellites over the major ocean regions cover the globe ______. A. besides the polar regions B. including the North Pole and South Pole C. above 70N and below 70S D. as far north and south 70 237. There is actually an overlapped area of ______ ocean regions somewhere in Western European waters. above the equator. A. 55.5W B. .5E C. 15.5W D. 178E
239. The GMDSS defines four sea area based on the______. A. location and capacity of the facilities located on board ships B. Position and type of a sincre sintion
C. Capacity and location of shore based communication facilities
D. Position and capacity of mobile communication stations. 240. The NCC is located in the ______. A. IMO Headquarters in London B. Inmarsat Headquarters building in London
C. Western European Maritime Organization D. International Maritime Safety Committee 241. There are ______ NCSs in total, one in each ocean region, the AOR (E and W), IOR and POR. A. 3 B. 2 C. 1 D. 4
242. Any ship with SES can ______ and ______ through the Inmarsat satellites when sending a distress alert. A. enter the system rapidly / wait for rescue B. have an absolute priority to enter the system / contact with a CES C. establish contact with the RCC / enter the port D. enter the system gradually / get the rescue 243. A mobile earth station in the maritime mobile-satellite service, which
is located on board ship, is called ______. A. an LES B. an SES C. a ship station D. a land Mobile Station 244. After has permit the commissioning, the ______ will permit the SES access to system. A. INMARSAT B. IMO C. MSC D. CES 245. Who has permit the SES enter the system after successful commissioning ?
A. Network B. The CES preferred by the applicant C. INMARSAT D. The SES itself 246. To establish a communication channel for the telex service in the INMARSAT-A terminal, you should first ______. A. establish a communication channel from the CES, via the international Telex Network to the final destination B. set up a communication channel from your SES, via a satellite, to
a CES within your ocean region C. set up a channel directly to the addressee at the destination D. establish a channel from your terminal, via the International Telex Network to a CES within your ocean region 247. The maritime access code for the AOR-E is ______ in INMARSAT-A
Telex Service. A. 581 B. 582 C. 583 D. 584 248. When you have received GA+ from the CES for the INMARSAT-A telex communication, you should immediately select ______ and ______ you require . A. an CES/telex mode B. an SES/telex service
C. the service/the subscriber D. a satellite/an ocean region 249. Every ship must be fitted with SART, and two-way VHF radio
telephone. A. 1, 2 B. 2, 3 C. 2, 1 D. 3, 2 250. The maritime access code of telephone mode in INMARSAT-A terminal for the AOR(W) is . A. 871 B. 872 C. 873 D. 874
251. The sources of energy fitted in GMDSS complying vessels must be. A. the main source of energy B. emergency source of electrical power C. the reserve source of energy D. all of above 252. When the power of s SART is on, it will ______ . A. transmit distress signal B. send response signal C. transmit the signal of ship‟s position D. be started by X-band
radar 253. Distress signal are always stored in the memory so as to start ______ . A. local-mode soverage B. SAR operations
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C. data process D. continuous broadcast 270. COSPAS-SARSAT is primarily used for ______ . 254. EGC is a ______ part of INAMARSAT-C . A. improving communications in polar regions
A. component B. supportable C. combined D. B. providing MSI to mobile stations complimentary C. saving the system users in distress anywhere in the world 255 .______ will form the basis for distress alerting and safety calling . D. transmitting and receiving information
A. GMDSS B. EGC C. MSI DSC 271. For COSPAS-SARSAT system, ______ usually transmit initial 256. An area within the coverage of at least one MF shore station in which COSPAS-SARSAT alert .
continuous DSC distress alerting is available is ______ . A. RCC B. MCC C. LUT D. MRCC A. Sea area A1 B. Sea area A2 C. Distress area D. 272. For COSPAS-SARSAT system, ______ transmit distress alert and GMDSS area location information to appropriate rescue authorities all over the 257. ______ are used for distress alerting as a rule . world .
A. SES/DSC/EPIRB B. SART/radiotelephone A. Polar orbiting satellites B. Ground receiving stations C. COSPAS-SARSAT D. both a and c C.MCC D. ROC 258. If a ship station relays a DSC distress call to an appropriate coast 273. IMO recognized that ______ would play an important role in SAR
station, it means that ______ . operations . A. the ship has received the DSC distress call on a HF frequency A. COSPAS-SARSAT B. satellite C. INMARSAT B. the coast station concerned has not acknowledged it within 5 minutes C. the ship will take command of search and rescue in 5 minutes D. A and B 259. Distress and safety communications following DSC calling will be performed by radiotelephony or ______ . A. NBDP B. EGC receiver C. NBDP or both D. EGC receiver or both 260. DSC distress acknowledgements are normally transmitted by ______ in respond to a receiver DSC distress call . A. Ship stations B. Coast stations C. NCSs D. NCC 261. Ships sailing in area A2 will at least be capable of transmitting a ship-to-shore slert on ______ . A. COSPAS-SARSAT B. 156.525MHZ DSC C. 2187.5khz DSC and satellite EPIRB D. 2182khz R/T and satellite EPIRB 262. As each MSI message will have a unique identity, the printing of messages already received correctly is ______ . A. automatically suppressed B. finished by the operator C. manually suppressed D. done again 263. Ships sailing in ______ are able to receive and print out EGC message . A. a fixed area or Navarea in any ocean region B. a Navarea or weather forecast area C. the designated area or given geographic position D. anywhere of the world 2. Ships sailing in ______ are able to receive and print out EGC message . A. a fixed area or Navarea in any ocean region B. a Navarea or weather forecast area C. any designated area or given geographic position D. anywhere of the world 265. ______ can receive MSI sent by coast station . A. A NAVTEX receiver B. An EGC receiver C. MF/HF radio telephone D. HF radio telephone with NBDP 266. The International SafetyNet Service is able to address the call to ______ . A. all vessels B. selected groups of ships C. a particular ship D. a,b,c are all correct 267. COSPAS-SARSAT has the function of ______ . A. distress alerting B. communication C. broadcasting MSI D. on-scene communication 268. The COSPAS-SARSAT 406MHZ system was adopted as an element of the GMDSS by IMO in ______ . A. 1982 B. 1980 C. 1984 D. 1988 269. What is COSPAS-SARSAT ? A. an international satellite system for improving communication in polar regions B. an international satellite system using a number of polar-orbiting satellites C. primary used for search and rescue D. B and C D. both a and b 274. Operating method in which transmission is possible simultaneously in
both directions of a communication channel is called ______ . A. Duplex Operation B. Simplex Operation C. Auto-Operation D. Two-way
275. A station in the mobile service the emissions of which are intended to facilitate search and rescue operations is ______ . A. Ship Staton B. LES C. EPIRB Station D. NCS
276. ______ process the distress signal from EPIRB to determine its position and identity . A. COSPAS-SARSAT B. ground receiving stations
C. storing distress signal D. Near polar orbiting satellites 277. In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous ______ alert . A. MF/HF B. SART C. EPIRB D. any of A, B, C
278. Every ship constructed on or after ______ shall comply with all the applicable requirements of this chapter. A. 1 February 1995 B.1 February 1992 C. 1 July 1997 D. 1 February 1999 279. The radio personnel on every ship shall be-specified in the Radio
Regulations to have primary responsibility for radio communications during distress incidents .
A. holders of certificates B. bachelor of science C. chief officer D. qualified engineer 280. International NAVTEX Service means the coordinated broadcast and automatic reception on ______ khz of maritime safety information by narrow-band direct-printing telegraphy using English language . A. 518 B. 2182 C. 156.8 D. 2187.5
281. Every lifeboat which is fitted with a fixed two-way ______ radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the
antenna effectively in its operating position. A. HF B. VHF C. MF D. MF/HF 282. Every cargo ship of ______ tons gross tonnage and upwards shall be provided with at least three two-way VHF radiotelephone apparatus .
A. 300 B. 400 C. 500 D. 600 283. At least ______ two-way VHF radiotelephone apparatus shall be provided on every cargo ship of 300 tons gross tonnage and upwards
but less than 500 tons gross tonnage . A. one B. two C. three D. four 284. Stations in the United States of America are grouped by states
arranged in the alphabetical order of their ______ . A. countries B. states C. names D. groups 285. According to the basic concept of the GMDSS, distress alerting can be
sent by ______ to SAR authorities ashore or ships in vicinity of a distress incident . A. either satellite or terrestrial communication B. only satellite communication C. only terrestrial communication D. VHF DSC or SES
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286. SOLAS ships should keep a continuous listening watch on ______ . A. CH 16 B. 2182KHZ C. 121.5MHZ D. Ch 70 287. What following is not among the functions of SOLAS ships ?
A. receive shore-to-ship distress alerting B. transmit ship-to-shore distress alerting
C. receive message for public correspondence D. transmit and receive locating signals
288. A digital calling system used to call ships and coast stations using
frequencies in the MF, HF or VHF bands, as is defined by CCIR recommendations 493 and 541, is a ______ .
A. DSC system B. EGC C. Terrestrial Radio D. Alerting information
2. As a matter of fact, MSI is the combination of ______ important
information.
A. many B. quite a few C. lots of D. a lot
290. The rescue coordination center may ______ on stations which
interfere with distress traffic .
A. keep silence B. forbid transmission C. change information D. impose silence
291. Misuse if ship radio frequencies is ______ and must not take place . A. forbidden B. allowed C. illegal D. unusual 292. I‟d like to apply ______ its extension. A. to B. with C. on D. for
293. Each COSPAS-SARSAT MCC is responsible for ______ all alert data for distresses located in its service area.
A. distributing B. distribution C. distributed D. having distributed
294. We consider ______ send a helicopter with medical facilities to the
distress area .
A. it necessary B. it is necessary C. it necessary D. necessary
295. I‟m looking for Captain John ______ I want him on sign on this B/L. A. when B. due to C. that D. since 296. We have just received a message from shore ______ assistance is on the way .
A. when B. where C. how D. that
297. ______ , which consisted of seven short blasts and one prolonged blast, all passengers have to go to their assembly station . A. When the distress alert is sounded B. When the emergency equipment is switched on C. When the general emergency alarm is sounded D. When the distress broadcast is sounded
298. The port authority asked us ______ for lock clearance at Southpoint . A. wait B. to wait C. waiting D. waited
299. All coast radio stations ______ DSC installed for VHF and HF.
A. have B. had C. are having D. have had
300. The fire ______ out of control and the vessel requires fir-fighting
assistance .
A. has been B. is C. was D. is being
301. The complying vessel will transmit ship-to-shore distress alert by
______ in sea area A1. A. VHF EPIRB B. VHF DSC C. 406mhz S-EPIRB D. both a,b and c
302. Sea area A2 is an area within the coverage of at least one ______. A. VHF coast station B. MF coast station C. satellite D. RCC
303. The complying vessel will transmit ship-to-shore distress alert by
______ in sea area A3. A. MF DSC B. SES C. 406mhz S-EPIRB D. both b and c
304. From the ship owner‟s point of view, ______ is the most important
advantage Inmarsat providing with.
A. business opportunity B. good-quality radio telephone conversations
C. telex service D. both b and c
305. The existing terrestrial radio system has a number of basic flaws
which _____.
A. can be overcome by using traditional techniques B.cannot be overcome by satellite system
C. can be overcome by satellite and digital techniques D. cannot be tackled by any modern system 306. What‟s the advantage when using the satellite?
A. The message can be directed to the desired location B. The message can follow the earth‟s curvature
C. The quality of message can not be affected by climate D. The range of the message is extended and the quality or reception is improved
307. GMDSS moved to effect by 1 Feb. ______. A. 2002 B. 1999 C. 1992 D. 2000 308. With the help of GMDSS, ______ will be rapidly alerted to the
distress incident.
A. the SAR authorities ashore B. the ships in vicinity of the casualty
C the nearest coast stations and port radios D. a and b
309. The GMDSS system will also provide for urgency and safety
communication and dissemination of ______, including navigational and meteorological warnings.
A. MSC B. MSI C. OSC D. MMSI 310. The abbreviation MERSAR means ______. A. Merchant SOLAS and Radio System
B. Merchant ship Search and Rescue Manual C. Marine Rescue and Search Radar D. Maritime Engine Rescue Standard
311. In GMDSS, the distress and safety message will be picked up by
______ if it is sent using HF, INMARSAT or the COSPAS-SARSAT system.
A. ships B. shore stations
C. both ships and shore stations D. either ships or shore stations
312. Any ships fitted with SES can ______ and ______ through the satellite system when sending a distress alert.
A. enter the system/contact an RCC
B. access to INMARSAT/establish contact with a CES
C. have absolute priority to enter the system/make contact with a CES D. enter the system gradually/wait for rescue
313. SAR co-ordination communications are between the ______. A. RCC and ships in distress B. assisting ships and ships in distress
C RCC and OSC D. OSC and assisting ships 314. What do the general radio communication relate to?
A. management of ship B. operation of ship C. safety of ship D. a, b, c are all right 315. MSI is broadcast via _______. A. NAVTEX B. EGC C. HF-telex D. all of above 316. The GMDSS is composed of ______. A. satellite and terrestrial communication systems B. only navigational and alerting systems C. just MSI system and locating system D. SAR co-ordination system
317. The transmission of a ______ indicates that a ship is in distress and requires immediate assistance.
A. urgent traffic B. distress alert C. routine traffic D. NAVTEX message
318. Distress traffic ______ all messages relating to the immediate
assistance required by the ship in distress, including search and rescue communications and signals for locating.
A. consists of B. is consisted of C. consisted of D. are consisted of
319. When the power of SART is on, it will ______.
A. transmit distress signal B. send response signal C. transmit the signal of ship‟s position D. be start by X-band
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radar A. Radio link B. Space segment C. Satellite link 320. _____ allows SAR party to locate the ship in distress by starting 9ghz D. upper link
shipborne radar. 337. Geostationary satellite are artificial satellite which ______. A. DSC B. EPIRB C. SART D. EGC A. always move slowly B. are in one place only 321. When the power of SART is on, it will ______. C. sometimes move and sometime don‟t D. synchronize with the
A. transmit distress signal B. send response signal movement of the earth C. transmit the signal of ship‟s position D. be start by X-band 338. the position of the AOR-W satellite in the INMARSAT system is radar _______ above the equator. 322. It is possible for ships to receive safety message transmitted by a A. .5E B. 178E C. 15.5W
NAVTEX station _____. D. 54W A. in any INMARSAT regions B. in each NAVAREA 339. An area within the coverage of at least one MF shore station in which C. at any distance D. in area A3 and A4 continuous DSC distress alert is available is ______. 323. MSI, which includes ______, is transmitted to all ships in all principal A. Sea area A 1 B. Sea area A2 C. Sea area A4
waters. A. navigational warnings B. meteorological warnings and forecasts C. other urgent safety related messages D. a,b,c 324. Distress alerts will be relayed on the ______ when the RCC considers it necessary. A. dedicated system B. MSI broadcast C. 518khz D. channel 16 325. Which of the following statements is correct? A. NAVTEX station have the transmission power B. NAVTEX stations can transmit at the same time C. every NAVTEX stations have the different identification characters in each NAVAREA D. There are 24 NAVTEX stations in each NAVAREA 326. What language does International NAVTEX use? A. Russian B. French C. English D. German 327. International Navtex service is ______. A. a terrestrial MF system B. a satellite communication system C. a land HF radio system D. a coastal VHF system 328. It is possible for ships to receive safety message transmitted by a NAVTEX station ______. A. in any INMARSAT regions B. in each NAVAREA C. at any distance D. in area A3 and A4 329. The transmission identification character B1 is a single unique letter which is allocated to each NAVTEX ______. A. receiver B. SES C. CES D. transmitter 330. The character B1 is a single unique letter which is allocated to each _____ . A. RCC B. CES C. receiving earth station D. NAVTEX transmitter 331. NAVTEX co-ordinators control messages transmitted by each station according to ______. A. the information contained in each message B. the geographical coverage required C. transmitted identification D. A and B are right 332. In the communication of INMARSAT, ______ communication has the absolute priority over all other transmission. A. routine B. distress C. urgency D. security 333. The INMARSAT consists of ______ major components. A. 4 B. 9 C. 8 D. 5 334. In addition to meeting the requirements of Sea Area A1, every ship engaged on voyage in Sea Area A2 shall be provided with ______. A. MF radio installation with DSC B. SES C. MF/HF radio telephone installation D. 2187.5khz watch receiver 335. There are ______ operational satellites in the INMARSAT system covering the whole globe except the polar regions. A. 3 B. 4 C. 8 D. 12 336. A radio link between a transmitting earth station and a receiving earth station through one satellite is named a ______. D. distress Area 340. Each NCS woks as a type of ______, assisting controlling and monitoring telex and telephone network as quickly as possible.
A. switch operator B. communication gateway C. national operator D.on-scene commander
341. The NCS of INMARSAT-A system in the AOR-E is in ______. A. Goonhilly, UK B. Yamaguchi, Japan C. Perth, Australia D. Southbury, USA 342. An SES operator can chose the most suitable CESs according to
______. A. the routing agreement for a particular ocean region B. The communication service he required C. the positions of his ship and the CESs
D. B and C 343. During a ______ period, as a newly commissioned SES, your IMN
will be past to the other CESs. A. 20 hour B. 12 hour C. 24 minutes D. 24 hour
344. Without permission of ______, a ship earth station can not enter the system.
A. ITU B. IMO C. INMARSAT ORGANIZATION D. the nearest CES
345. What part of the Inmarsat will the SES get access to if the commissioning is successful? A. The SES B. The space segment C. Any CES D. The CES decided by the
applicant 346. To establish a communication channel for the telex service in the INMARSAT-A terminal, you should first ______.
A. establish a communication channel from the CES, via the International Telex network to the final destination B. set up a communication channel from your SES, via a satellite, to a CES within your ocean region
C. set up a channel directly to the addressee at the destination D. establish a channel from your terminal, via the International telex network to a CES within your ocean region
347. The maritime access code for the IOR is ______ in INMARSAT-A Telex service. A. 581 B. 582 C. 583 D. 584
348. In INMASAT-A service code 32 ______. A. medical assistance B. medical advise C. maritime assistance D. technical assistance 349. Every ship must fitted with ______ SART, and ______ two-way VHF radio telephone. A. 1,2 B. 2,3 C. 2,1 D. 3,2
350. The maritime access code of telephone mode in INMAARSAT-A terminal for the POR is ______. A. 871 B. 872 C. 873 D. 874 351. ______ are operated as a secondary method of alerting in the GMDSS. A. satellite EPIRBs B. Non-satellite EPIRBs
C. SES and DSC D. a+b 352. The WWNWS establishes three types of navigational warning:______. A. Distress, Urgency and Safety B. Vital, Important and
Routine
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C. NAVAREA, Coastal and local D. gale, Tsunami and Ice 370. For COAPAS-SARSAT system, ______ process the distress signal 353. Distress signal are always stored in the memory so as to start ______. from EPIRB to determine its position and identity.
A. local-mode coverage B. SAR operation A. COSPAS-SARSAT B. ground receiving stations C. data process D. continuous broadcast C. spacecraft D. satellite SAR instrument 354. EGC is a ______ part of INMARSAT. 371. The COSPAS-SARSAT system can provide distress alerts to the
A. component B. supportable appropriate rescue authorities ______. C. combined D. complimentary A. at sea B. on land C. in the air D. 355. Equipment requirement vary according to _______. throughout the world
A. Ship owner‟s will B. economic condition 372. In the COSPAS-SARSAT system distress signals are processed by C. the area in which the ship operates D. different orders of all countries 356. Mariners can use DSC for ______. A. general communication B. distress alerting and safety calling C. receive MSI D. both B and C 357. ______are used for distress alerting as a rule. A. SES/DSC/EPIRB B. SART/radiotelephone C. COSPAS-SARSAT D. both B and C 358. On-scene communications will normally take place between ______. A. ship in distress and assisting units B. NCS and RCC C. RCCs and „0n-scene commander‟ or “co-ordinator surface search” D. ship in distress and coast station 359. DSC distress relays can be transmitted by either ______ or ______. A. a coast station/a ship station B. an EPIRB/a SART C. ARQ/FEC D. a back-up satellite/a land SAR unit 360. DSC distress acknowledgements are normally transmitted by ______ in respond to a received DSC distress call. A. ship stations B. coast stations C. NCSs D. NCC 361. The International SafetyNet Service is able to address the call to ______. A. all vessels B. selected groups of ships C. a particular ship D. A, B, C are all right 362. However, reception of certain types of MSI messages, such as shore to ship distress alerts and navigational and meteorological warning are ______. A. selective and can be suppressed by ships B. mandatory and can not be suppressed by ships in the affected area C. not very important so that ships don‟t require them D. received by all ships wherever they are 363. EGC safetyNet transmits ______ types of messages for mariners. A. four B. six C. five D. three 3. If EGC receiver shares a same antenna with INMARSAT MES, it means that it can receive MSI ______. A. from any INMARSAT satellite B. via any appropriate Navtex and EGC station C. via the satellite the MES is tracking D. from any RCC and coast station 365. The information flow of the MSI broadcast must be controlled ______. A. to avoid mutual interference B. to keep silence C. owing to the time-share nature D. to regulate transmitter power 366. The quality of EGC message is ______ affected by the position of the ship, the time of reception and climatic condition. A. sometimes B. all times C. never D. partly 367. which function is the most important one of the GMDSS. A. alerting B. on-scene communication C. safety information D. general communication 368. The COSPAS-SARSAT 406mhz system was adopted as an element of the GMDSS by IMO in ______. A. 1982 B. 1980 C. 1984 D. 1988 369. The COSPAS-SARSAT system can provide distress alerts to the appropriate authorities______. A. anywhere in the world B. at sea C. in the air D. ashore ______ and the resulting data are forwarded to ______ through ______ communication network. A. MCC/LUT/RCC B. LUT/MCC/RCC
C. LUT/RCC/MCC D. LUT/RCC/LUT 373. For ships equipped with an SES, it is ______ and ______ for the
operator to send a distress alert. A. easy/reliable B. difficult/cheap
C. stable/compulsory D. easy/expensive 374. ______ is a space system using one or more artificial earth satellites. A. Satellite network B. Satellite link
C. GMDSS D. Satellite system 375. It is ______ for mariners to combine the SART with a float-free satellite EPIRB. A. essential B. compulsory C. optional D. inadvisable
376. ______ process the distress signal from EPIRB to determine its position and identity. A. COSPAS-SARSAT B. Ground receiving stations C. storing distress signal D. Near-polar orbiting satellites
377. ______ is designed to send an automatic distress alert when a ship sinks suddenly. A. Lifeboat B. A survival craft C. An EPIRB D. A SART 378. ______ means navigational and meteorological warnings, meteorological forecasts and other urgent related messages broadcast
to ships. A. Navigational broadcast B. weather forecast C. Urgency message D. Maritime Safety
Information 379. ______ means a technique using digital codes which enables a radio station to establish contact with, and transfer information to another station or group of stations and complying with the relevant recommendations of the CCIR. A. DSC B. MSI C. EGC D. NBDP 380. Digital Selective Calling means a technique using ______ which
which enables a radio station to establish contact with, and transfer information to another station or group of stations and complying with
the relevant recommendations of the CCIR. A. digital codes B. code messages C. norse codes D. distress messages
381. All ships which, in accordance with the present Convention, are required to carry radio installations shall carry_______. A. Q-code B. Telephone numbers and addresses
C. the international Codes of Signals D. radio instructions 382. Every ship shall carry personnel qualified for ______ to the satisfaction of the Administration. A. distress and safety radio communication purposes B.
life-saving purpose C. GMDSS requirements D. emergency position
383. ______ means an area within the radiotelephone coverage of at least on a VHF coast station in which continuous DSC alerting is available, as may be defined by a Contracting Government.
A. Sea Area A1 B. Sea Area A 2 C. Sea Area A3 D. Sea Area A4 384. For ship-to-shore distress alerts, you can use ______. A. INMARSAT, EPIRB and DSC B. NAVTEX, NBDP and R/T C. INMARSAT, VHF and SART D. EPIRB, DSC and radar 385. When receiving a distress alert, the SAR authorities ashore and the
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ships in the vicinity of the ship in distress will ______ in a coordinated search and rescue operation with the minimum delay. A. assist B. send a rescue C. search the distress area D. Reach the distress position at once 386. The existing terrestrial radio system has a number of basic flaws which ______. A. can be overcome by using traditional techniques B. ca not be overcome by satellite system C. can be overcome by satellite and digital techniques D. can not be tackled by any modern system 387. What following is not among the functions of SOLAS ships? A. receive shore-to-ship distress alerting B. transmit ship-to-shore distress alerting C. receive message for public correspondence D. transmit and receive locating signals 388. Geostationary satellites are the artificial satellites which ______. A. always move slowly B. are in one place only C. sometime move sometime don‟t move D. are synchronizing with the movement of the earth 3. What‟s the abbreviation for the World Meteorological Organization? A. WMO B. IHO C. IMO D. WARC 390. If no distress acknowledgement is received ______ a DSC distress call transmission, then the ship in distress may repeat the DSC distress call attempt after a delay of between 3.5 and 4.5 minutes from the beginning of the initial call. A. relevant to B. relate to C. in response to D. in relation to 391. The concept of NAVTEX is of a ______ system for the broadcast and reception of MSI. A. complete service B. partial controlled C. quite new D. total co-ordinated 392. ______ all ships in a large sea area being alerted, an “area call” will normally be transmitted so that only those ships in the vicinity of the distress incident are alerted. A. Avoiding B. To be avoided C. Avoided D. To avoid 393. Two vessels ______ while they „re sailing in Huangpu River. A strike B strikes C are striking D struck 394. Before ______, a station shall take precautions to ensure that its emission will not interfere with transmission already in progress. A. transmit B. to transmitting C. transmitting D. in transmitting 395. ______ we stand away from the church bell, it takes time for the sound waves to reach us. A. If B. Whenever C. Because D. Where 396. We have just received a message from shore ______ assistance is on the way. A. When B. Where C. how D. that 397. ______, which consisted of seven short blasts and one prolonged blast, all passengers have to go to their assembly station. A. When the distress alert is sounded B. When the emergency equipment is switching on C. When the general emergency alarm is sounded D. When the distress broadcast is sounded 398. When a mis-entry ______ in the logbook, a red line would be drawn through that part. A. has made B. make C. has been made D. is making 399, We ______ a sharp lookout while sailing in the iced waters. A. keep B. kept C. are keeping D. have kept 400. By using previous communication system, rescue is often a matter of chance. What does “a matter of chance” mean? A. occasionally B. accidentally C. often D. usually 401. The general benefit of the GMDSS is to ______. A. enable SAR operations to start with minimum delay B. give facilities to marine communication C. reduce sharply the chances of ship‟s sinking D. both A and C 402. The GMDSS is a world-wide communication network combining ______ with ______.
A. satellite /terrestrial system B. INMAARSAT/COSPAS-SARSAT C. SART / EPIRB D. geostationary/polar-orbiting satellites 403. The complying vessels can transmit ship-to-shore distress alerts by at least ______.
A. one means, whether satellite or terrestrial techniques B. two means, whether satellite or terrestrial techniques
C. two separate and independent means, each using different radio communication services D. two means, such as MF DSC and HF DSC
404. The position of INMARSAT AOR-W satellite is ______ above the equator. A. 55.5 W B. 180E C. 15.5W D. .5E 405. Within the polar areas it is ______ to see a satellite in geostationary
orbit. A. impossible B. possible C. easy D.
difficult 406. The INMARSAT system is open for use by ______ countries on a non-discriminatory basis.
A. some B. lots of C. many D. all 407. ______ communication are intership VHF radio telephone communication.
A. ship-to-shore B. shore-to-ship C. bridge-to-bridge D. a, b, and c 408. The GMDSS must combine all various subsystems, because ______. A. they all have different limitations with respect to coverage
B. they all have different limitations in the technology they use C. different systems apply to different ships D. all of above 409. Actually, the date for entry into effect will be 1st February ______.
Though the text does not tell us about it. A. 1995 B. 1998 C. 1999 D.
2000
410. The DSC frequency for distress alerting in area A2 is ______. A. 2182khz B. 2174.5kfz C. 2191khz D. 2187.5khz
411. ______ communications are intership VHF radio telephone communications for the purposes of the safe movement of ships. A. Safety B. Urgent C. bridge-to-bridge D. a, b, and c
412. Any ship fitted with SES can ______ and ______ through the satellite system when sending a distress alert. A. enter the system/ contact an RCC
B. access to INMARSAT/establish contact with a CES C. have absolutely priority to enter the system/make contact with a CES D. enter the system gradually/wait for rescue 413. With the help of GMDSS, ______ will be rapidly alerted to the distress incident.
A. the SAR authorities shore B. the ship in the vicinity to casualty C. the nearest coast stations and port radios D .a and b 414. On receipt of a distress alert, the SAR units ashore and at sea will
______ soonest. A. coordinate in rescue operation B. send rescue vessels
C. reach the area at once D. conduct a sector search 415. Ship-to-ship distress alerting should be conducted by ______. A. INMARSAT SES B. VHF/DSC or MF/DSC
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C. SART and VHF/DSC D. satellite EPIRB and VHF/DSC
416. A ship station on receiving a shore-to-ship distress alert should ______.
A keep silence
B interfere with such communication
C establish communication as directed and render such assistance as is required and appropriate
D refuse communication as directed and render such assistance as it required and appropriate
417. The transmission of a ______ indicates that a ship is in distress and
requires immediate assistance.
A. urgent traffic B. distress alert C. routine traffic D. NAVTEX message
418. It is required that ships proceeding at sea should keep continuous watch on ______.
A. VHF channel16 and 13 B. appropriate DSC distress and safety frequency
C. INMARSAT TDM message channel D. VHF channel 70 and channel 8
419. The SART should have sufficient battery capacity to operate in the
stand-by condition for ______hours and should continuously work for ______hours.
A. 120/20 B. 56/18 C. 100/16 D. 96/8 420. What information will a distress alert contain?
A. nature of distress B. type of assistance required C. course and speed and time at which the information was recorded D. A, B, C are all right
421. The FEC mode is for ______ from ______ station to two or more
other stations when available.
A. receiving messages/one station B. transmission/ one coast station or ship
C. communicating /one ship D. contacting/other
422. It is possible for ships to receive safety message transmitted by a VAVTEX station______.
A. in any INMARSAT regions B. in each NAVAREA C. at any distance D. in areaA3 and A4 423. MSI stands for ______.
A. Mobile Satellite Information B. Motor ship Identification C. Most Serious Information D. Maritime Safety Information
424. ______ will normally provide sufficient information to seaward of
fairway buoy or pilot station.
A. Navarea warnings B. coastal warnings
C. local warnings D. Meteorological warnings 425. There are ______ NAVAREAs designated by IHO and IMO all over the world.
A. 13 B.11 C.16 D. 12 426. The NAVTEX receiver can be mounted on ______.
A. on the bridge B. in the coast station C. on the forecastle D. on starboard side
427. The distance between the two NAVTEX stations with the same B1
character should be not exceed ______ nautical miles.
A. 400 B. 240 C. 450 D. 180
428. Exchange of answerbacks act s a confirmation that the messages ______ at the destination.
A. have received B. have been received C. are received D. are being received
429. The identification character of each Navtex station is regarded as ______ to the messages.
A. the only preamble B. a part of the preamble C. the closing D. the suspension
430. The quality of EGC messages is ______ affected by the position of the
ship, the time of reception and climatic conditions.
A. sometimes B. all times C. never D. partly 431. Category B2=f is to be used only for broadcasting ______ to the pilot service.
A. weather report B. details of vessel C. temporary alterations D. urgent information
432. why should the SES operators be very careful when the ship enters the
area where three ocean regions overlap? Because ______.
A. the weather over there is always terrible B. the condition there is complicated
C. the signals are too strong D. their SES may receive the signals from unwanted satellite
433. the INMARSAT consists of ______ major components.
A. 4 B. 9 C. 8 D. 5
434. In addition to meeting the requirement of Sea area A1 and A2, every
ship engaged on voyage in Sea area A3 shall be provided with ______. A. MF radio installation with DSC B. SES or HF with DSC C. MF/HF radio telephone installation D. 2187.5 khz watch receiver
435. The Inmarsat system has five major components, they are: ______.
A. Space segment, NCC, RCC, SES and CES
B. Space Segment, a satellite system, C system, NCC and NCS C. Space Segment, NCC, NCS,CES and SES
D. A system, C system, satellite system, earth stations and NCS 436. The satellites over the major ocean regions cover the globe ______.
A. besides the polar regions B. including the North Pole and the South Pole
C. above 70N and below 70S D. as far north and south 70
437. Mariners should pay much attention in the overlapped area owing to ______.
A. complicated circumstances B. changeable atmospheric pressure
C. large density of traffic D. some strong signals from unwanted satellites
438. The position of the INMARSAT satellite over the Atlantic Ocean Region-W is ______.
A. 180E above the equator B. .5 E over the IOR
C. 15.5W along the straight line D. 55.5W above the equator 439. An area within the coverage of at least one VHF shore station in which
continuous DSC distress alert is available is ______.
A. Sea area A1 B. Sea Area A2 C. Sea area A4 D. distress area
440. The NCS of INMARSAT-A system in the IOR is in ______.
A. Goonhilly, UK B. Yamaguchi, Japan C. Perth, Australia D. Southbury, USA
441. The Network coordination Station for the Inmarsat-A coast stations in
the Pacific ocean region is in ______.
A .Yamaguchi, Japan B. Beijing, china C. Nakhodka, Russian D. Perth, Australia
442. The Inmarsat SES operator can chose the most suitable CES according to ______.
A. his service and position B. time and course C. tide and speed D. type of his ship
443. A mobile earth station in the maritime mobile-satellite service, which
is located on board ship, is called ______.
A. an LES B. an SES C. a ship station D. a Land Mobile Station
444. After successful commissioning, the ______ will permit the SES to access to system.
A. Inmarsat B. IMO C. MSC D. CES 445. Who has permit the SES enter the system after successful commissioning?
A. Network B. The CES preferred by the applicant
C. INMARSAT D. The SES itself
446. In Inmarsat-A. “Priority 1” means ______ communication.
A. routine B. distress C. urgency D. safety 447. The maritime access code for the AOR-E is ______ in INMARSAT-A telex service.
A. 581 B. 582 C. 583 D. 584 448. When you have received GA+ from the CES for the INMARSAT-A
telex communication, you should immediately select _______ and ______ you required.
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A. an CES/telex mode B. an SES/telex service
C. the service/the subscriber D. a satellite/an ocean region 449. Every ship must be fitted with ______ SART, and ______ two-way VHF radio telephone.
A .1,2 B. 2, 3 C. 2,1 D. 3,2
450. The maritime access code of telephone mode in Inmarsaat-A terminal
for the AOR-W is ______.
A. 871 B. 872 C. 873 D. 874
451. The source of energy fitted in GMDSS complying vessels must be _______.
A. the main source of energy B. emergency source of electrical power
C. the reserve source of energy D. all of above 452. When the power of SART is on, it will ______.
A. transmit distress signal B. send response signal
C. transmit the signal of ship‟s position D. be started by X-band radar
453. Distress signal are always stored in the memory so as to start______.
A. local-mode coverage B. SAR operation
C. data process D. continuous broadcast 454. EGC is a ______ part of INMARSAT-C.
A. component B. supportable C. combined D. complimentary
455. _______ will form the basis for distress alerting and safety calling.
A. GMDSS B. EGC C. MSI D. DSC
456. An area within the coverage of at least one MF shore station in which
continuous DSC distress alerting is available is ______.
A. Sea area A1 B. Sea area A2 C. distress area D. GMDSS area
457. In Area A2, the DSC frequency for distress alerting is ______.
A. 2182khz B. 2174.5khz C. 2191khz D. 2187.5khz
458. On-scene communications will normally take place between______.
A. ship in distress and assisting units B. NCS and RCC
C. RCCs and “on-scene commander” or “coordinator surface search” D. ship in distress and coast station
459. Ship-to-ship distress alerting should be conducted by ______.
A. Inmarsat SES B. VHF /DSC or MF/DSC
C. SART and VHF/DSC D. Satellite EPIRB and VHF /DSC
460. if the DSC controller is configured for MF/HF operation, the distress
will be sent on ______.
A. double frequencies B. single frequency C. Dedicated frequency D multiple frequencies
461. SafetyNet is an international service for the broadcast and automatic
reception of MSI by means of direct-printing through ______ system. A. DSC B. EPIRB C. EGC D. NBDP 462. As each MSI message will have a unique identity, the printing of
messages already received correctly is ______.
A. automatically suppressed B. finished by the operator
C. manually suppressed D. done again
463. The quality of EGC messages is ______ affected by the position of the
ship, the time of reception and climatic conditions.
A. sometimes B. all times C. never D. partly 4. The priority of EGC messages is classified by ______.
A. distress, urgent and safety B. safety and routine
C. urgent, safety and routine D. distress, urgent, safety and routine
465. Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?
A. No, it receives the MSI from ship stations B. Yes, it can
C. only with NBDP terminal, can it receives the MSI sent from coast stations D. No, it can not receive the MSI sent from coast stations
466. The International SafetyNet Service is able to address the call to ______.
A. all vessels B. selected groups of ships C. a particular ship D. a, b, c are all right 467. COSPAS-SARSAT has the function of ______.
A. distress alerting B. communication C. broadcasting MSI D. on-scene communication 468. COSPAS-SARSAT is intended to be used for ______.
A. distress alerting B. locating 406mhz EPIRBs C. storing distress signal D. A and B
469. ______ is capable of finding any 406mhz beacons no matter where they are.
A. Local User Terminal B. Spacecraft
C. Local-mode coverage D. Near-polar orbiting satellites 470. The beacon located on board aircraft is termed______.
A. EPIRB B. PLB C. ELT D. MCC
471. For COSPAS-SARSAT system, ______ usually transmit initial COSPAS-SARSAT alert.
A. RCC B. MCC C. LUT D. MRCC 472. In the COSPAS-SARSAT system distress signals are proceeded by
______ and the resulting data are forwarded to ______ through ______ communication network.
A. MCC/LUT/RCC B. LUT/MCC/RCC C. LUT/RCC/MCC D. LUT/RCC/LUT
473. By using ______ system a ship can send a distress message and know
with certainty it will be received.
A. COSPAS-SARSAT B. SATELLITE C. terrestrial radio D. INMARSAT
474. Exchange of answerbacks acts as a confirmation that the message ______ at the destination.
A. have received B. have been received C. are received D. are being received
475. If the beacon is mounted at a wrong place, it may ______ by sea water,
chemicals, exhaust and vibrations.
A. be damaged B. work normally regardless of harmful conditions
C. not wok though it is not in a bad condition D. both a and c 476. Radio beacon can be activated ______ in case of distress.
A. only automatically B. only manually
C. both automatically and manually D. only by remote control 477. In case a ship is in emergency or distress in any of 4 areas, it is
required to use the continuous ______ alert.
A. MF/HF B. SART C. EPIRB D. any of A, B, C
478. Every ship constructed on or after ______ shall comply with all the
applicable requirements of this chapter.
A. 1 February 1995 B. 1 February 1992 C. 1 July 1997 D. 1 February 1999
479. Every ship according to Chapter IV of SOLAS shall be provided with ___ ______.
A. a VHF radio installation capable of transmitting and receiving B. radiotelephony on the frequencies 156.3mhz
C. a radar transponder capable of operating in the 9ghzband D. a, b, c are all right
480. International Navtex service means the coordinated broadcast and
automatic reception on ______ khz of maritime safety information by narrow-band direct-printing telegraphy using English language. A. 518 B. 2182 C. 156.8 D. 2187.5
481. Every lifeboat which is fitted with a fixed two-way ______
radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
A. HF B. VHF C. MF D. MF/HF
482. Every lifeboat which is fitted with a fixed two-way vhf radiotelephone
apparatus with______ which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
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A. a dummy antenna B. a supporting facilities 498. The vessel has stayed in port for seven days because she needs C. a back-up equipment D. an antenna ______. 483. At least two two-way VHF radiotelephone apparatus shall be provided A. repairs B. repairing C. repaired D. being
on every cargo ship of ______ tons gross tonnage and upwards but repaired less than 500 tons gross tonnage. 499. All coast radio stations ______ DSC installed for VHF and HF. A. 200 B. 300 C. 400 D. 800 A. have B. had C. are having D. have 484. Stations in the United States of America are grouped by states had
arranged in the alphabetical order of their ______. 500. Radio communication______ for many years and helps to save tens of A. countries B. states C. names D. groups thousands of lives. 485. Please use ______ for ______. A. has been used B. have been used C. has used
A. English/all distress communications D have used B. Chinese/some distress calls C. the language decided by Administration/all distress calls D. Japanese/some distress alerts 486. SOLAS ships shall be equipped with______.
A. an EGC receiver only B. a satellite communication system
C. a HF radio system D. a VHF with DSC system 487. What following is not among the function of SOLAS ships?
A. receive shore-to-ship distress alerting B. transmit ship-to-shore distress alerting
C receive message for public correspondence D. transmit and receive locating signals 488. Before GMDSS, if the radio officer on board is serious ill, ______.
A. someone else will take his place B. the captain will take charge of his work
C. nobody will be capable of doing his work D. anyone else will use the radio equipment 4. Particular care should be ______ in selecting CESs in areas where Ocean Regions overlap.
A. taken B. take C. took D. taked 490. The rescue coordination center may ______ on stations which interfere with traffic.
A. keep silence B. forbid transmission C. change information D. impose 491. Monitoring is especially important in a highly automated system
which is dependent on careful ______ procedure and format. A. adherence to B. adoption to C. relaying on D. usage of 492. Distress traffic is the communication______ between the station in
distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work. A. exchange B. to exchange C. exchanging D. exchanged 493. Radiotelephony communication or radio telex communication or both
will be carried out by terrestrial or satellite means, ______ the equipment fitted on ship and the area in which the incident occurs. A. depend on B. depending on C. dependent on D. depended on 494. We consider ______ send a helicopter with medical facilities to the distress area.
A. it necessary B. it is necessary C. it necessary to D. necessary 495. The frequency ______ the safety message will be transmitted shall be
included in DSC safety call. A. which B. on which C. at which D. in which 496. The advantage of geostationary satellites is ______.
A. the range of antenna can cover everywhere in the world B. we can know the ship‟s exact position C. that the distress alert can be located as soon as possible D. antenna of permanent earth stations may be directed towards fixed points in the sky 497. ______ by an ice-breaker, it is important to maintain a continuous
listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals. A. which is assisted B. that assist you C. when you assisted D. when being assisting
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500道 英语阅读参
英语阅读习题答案
1 2 3 4 5 6 7 8 9 10 B D B A A D C D A D 11 12 13 14 15 16 17 18 19 20 B C D D C B D B A D 21 22 23 24 25 26 27 28 29 30 B B D B D B A B B A 31 32 33 34 35 36 37 38 39 40 C D D A D D C A A B 41 42 43 44 45 46 47 48 49 50 A B B A D B A C B C 51 52 53 54 55 56 57 58 59 60 A B D A A B D B B D 61 62 63 65 66 67 68 69 70 D B A A B A A D D C 71 72 73 74 75 76 77 78 79 80 C B D B D B A D A D 81 82 83 84 85 86 87 88 90 B D C C D A C C C B 91 92 93 94 95 96 97 98 99 100 C D B D B C B D D A 101 102 103 104 105 106 107 108 109 110 A B D D C D D D C B 111 112 113 114 115 116 117 118 119 120 C D D D C C A C A C 121 122 123 124 125 126 127 128 129 130 D B B B C A A B D A 131 132 133 134 135 136 137 138 139 140 B D D B B A B D A B 141 142 143 144 145 146 147 148 149 150 A A D A C B C A B D 151 152 153 154 155 156 157 158 159 160 A B D A D B D B C D 161 162 163 1 165 166 167 168 169 170 C B A A A D A D D B 22
英语阅读习题答案
171 172 173 174 175 176 177 178 179 180 D B A D B B D B A D 181 182 183 184 185 186 187 188 1 190 C A D B A A A C D A 191 192 193 194 195 196 197 198 199 200 A B C B C B A B A B 201 202 203 204 205 206 207 208 209 210 B D B A A C C C C B 211 212 213 214 215 216 217 218 219 220 C C C D C C D A A D 221 222 223 224 225 226 227 228 229 230 D B A B C A A B B C 231 232 233 234 235 236 237 238 239 240 C D D A C D B D A B 241 242 243 244 245 246 247 248 249 250 D B B A C B A C B D 251 252 253 254 255 256 257 258 259 260 D D D A D B A D C B 261 262 263 2 265 266 267 268 269 270 C A A A A D A D D C 271 272 273 274 275 276 277 278 279 280 C B C A C B C A A A 281 282 283 284 285 286 287 288 2 290 B A C C A A C A C D 291 292 293 294 295 296 297 298 299 300 A D A C A D A B D B 301 302 303 304 305 306 307 308 309 310 B B D A C D B D B B 311 312 313 314 315 316 317 318 319 320 B C C D D A B A D C 321 322 323 324 325 326 327 328 329 330 D B D B C C A B D D 331 332 333 334 335 336 337 338 339 340 D B D A B C D D B A 341 342 343 344 345 346 347 348 349 350 D D D C B B C B B B
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英语阅读习题答案
351 352 353 354 355 356 357 358 359 360 D A D A C B A A A B 361 362 363 3 365 366 367 368 369 370 D B A C A C A D A B 371 372 373 374 375 376 377 378 379 380 D C A D C B C D A A 381 382 383 384 385 386 387 388 3 390 C A A A A C B D A C 391 392 393 394 395 396 397 398 399 400 D D A C C D A C C A 401 402 403 404 405 406 407 408 409 410 B A C C A D C D C D 411 412 413 414 415 416 417 418 419 420 C C D A B C B B D D 421 422 423 424 425 426 427 428 429 430 B B D B C A C B B C 431 432 433 434 435 436 437 438 439 440 C D D B C D D D A B 441 442 443 444 445 446 447 448 449 450 A A B A C D A C B D 451 452 453 454 455 456 457 458 459 460 D D D A A B D A B D 461 462 463 4 465 466 467 468 469 470 C A C D D D A B A C 471 472 473 474 475 476 477 478 479 480 C C B B A C A A D A 481 482 483 484 485 486 487 488 4 490 B B B C A D C C A D 491 492 493 494 495 496 497 498 499 500 A D B C B C D B D A
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