C.ITU
D.INMARSAT
96 Standard-C SESs cannot be used for_________.
A. telephone communications B. telex communications
C. data services
D. electronic mail services.
97 On-scene communications are normally made on ______distress and safety frequency/ies. A.VHF B.MF C.HF
D.VHF and MF.
98 The EPIRB signals processed by a LUT may be relayed to the following units EXCEPT____. A. RCC.
B.MCC.
C. SAR authority. D.NCC.
99 Which equipment of ships can connect COSPAS-SARSAT system?
A. DSC
B. SSB.
C. EPIRB D. NBDP.
100 The MSI will be promulgated________.
A. from ships B. from shores
C. from both ships and shores D. to coast stations
101 The SOLAS vessels in coastal waters shall use __________to receive MSI.
A. HF direct-printing telegraphy. B. INMARSAT Safety NET. C. NAVTEX D. VHF DSC
102 The DSC is a selective call, by which messages can be sent to______.
A. all station
B. groups of stations.
C. a special ship station D. all is right.
103 International NAVTEX service is provided to broadcast and automatically receive MSI on the
frequency______. A. 500KHz B. 518KHz C. 156.525MHz
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D. 2187.5KHz.
104 You are _______ ship. You should go to assist the vessel on fire.
A. a close. B. the nearest. C. a near.
D. a more nearer. A. 2. B. 6. C. 8.
D. 16.
106 _________ will apply to those ships which receive MSI.
A. Basic charges. B. Some charges. C. No charges. D. Many charges.
107 There are _______ NCSs of INMARSAT in total, one in each ocean region. A. 2.
B. 4.
C. 6. D. 16.
105 156.8MHz frequency belongs to channel_________.
108 _______ will carry an equipment for receiving broadcasts of MSI.
A. Ships of 1600TGT and upwards. B. All ships.
C. All passenger ships. D. All cargo ships.
109 You can receive MSI broadcast via _________ in the GMDSS.
A. NAVTEX receiver. B. INMARSAT SafetyNET service
C. HF radiotelephone with NBDP terminal D. A, B or C.
110 The GMDSS will provide MSI to ______________.
A. all maritime enterprises. B. all ships
C. all ships in navigation D. all mobile units.
111 A NAVTEX receiver receives MSI broadcast from _______. A. all coast stations. ] B. all coast earth stations.
C. all coast stations and ship stations D. only NAVTEX stations.
112 In GMDSS, __________ is usually used for receiving the MSI sent from coast stations. A. MF/HF radiotelephone. B. MF/HF radiotelephone with NBDP
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C. MF/HF radiotelephone with DSC
D. MF/HF radiotelegraph.
113 Mariners should pay much attention in the overlapped area owing to ___________.
A. complicated circumstances.
B. changeable atmospheric pressure.
C. strong unwanted signals. D. the most powerful radio.
114 It is a feature of the satellite communications that reception is not generally affected by
____________.
A. the position of the ship.
B. atmospheric conditions. C. the time of day.
D. A, B and C.
115 Because the earth is curvy the reception of radio wave is usually affected by ____________.
A. the position of the ship.
B. atmospheric conditions.
C. the time of day. D. A, B and C.
116 SOLAS ships should be fitted with a maritime VHF installation and, where practicable,
maintain watch on _________. A. 2 Channel.
B. 4 Channel. C. 8 Channel. D. 16 Channel.
117 If you want to establish the call in the INMARSAT, you shall select the coast earth
station__________.
a) which must be in the same ocean region that you are currently using. b) which must be in the POR or IOR.
c) which must belong to Chinese or have the good relationship with China. d) which must be in Western European waters. 118 Why are some stations asked to keep silence?
A. They are not in the distress traffic
B. They will affect the transmission of distress traffic. C. They are not responsible for search and rescue. D. Their power is very weak.
119 For communication between two stations the _________mode should be used when available.
A. ARQ. B. FEC. D. EGC.
C. SEL-CALL
120 The services provided by each station open to public correspondence shall be indicated in
__________, together with information on charging. A. the newspapers.
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B. the marine magazines.
C. the list of coast stations
D. the list of coast stations and list of ship stations.
121 The EPIRB should be mounted _______ to be protected from harmful conditions. A. at a regular place.
B. anywhere on board ship. C. at the higher place on the vessel
D. in one of the holds. 122 The COSPAS-SARSAT is primarily used for ____________.
a) transmitting MSI to vessels at sea.
b) two-way communication between ships and coast stations.
c) improving communications in polar regions and non-polar regions d) search and rescue. 123 INMARSAT is an organization_______.
a) Which provides advanced terrestrial radio communications.
b) Which is only engaged in maritime radio communications.
c) Which provides a land radio system.
d) Which manages the maritime radio traffic.
124 On receipt of a distress alert, the SAR units ashore and at sea will _________as soon as
possible.
A. reach the distress area.
B. have a sector search.
C. report to the IMO.
D. coordinate the search and rescue operation.
125 When available, we should use ______ mode for transmissions from one coast or ship station
to two or more other stations. A. ARQ. B. EGC. C. FEC. D. R3E.
126 Vessels in distress shall indicate _________ by any method.
A. their position
B. their name
C. their call signs or other identifications.
D. A, B and C.
127 The Chapter IV of SOLAS Convention is regarding the __________.
A. terms and definitions. B. application.
C. radio communications. D. exemptions.
128 The relaying of a distress alert from an RCC to ships in the vicinity of a distress incident will
be made by_____________. A. satellite communication. B. terrestrial communications.
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