A.A compulsory vessel must carry at least two licensed GMDSS Radio Operators
B.A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails
C.A compulsory vessel must be able to transmit and respond to distress alerts
D.All of the above
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A.It will abort the transmission and set off an audible alarm that must be manually reset
B.It will initiate the DSC distress alert but，as no information will be transmitted，rescue personnel will not be able to identify the vessel，its position or its situation
C.It will initiate the DSC distress alert and default information will automatically be transmitted
D.It will initiate the DSC distress alert，but any station receiving it will have to establish contact with the distressed vessel to determine its identity，position and situation
A.Emergency Position Indicating Radar Buoy
B.Electronic Pulse Indicating Radiobeacon
C.Emergency Position Indicating Radiobeacon
D.None of the above
A.Two licensed GMDSS radio operators
B.Equipment carriage requirements
C.Distress alerting and response
D.All of the above
A.The vessel is not capable of performing all required distress and safety functions
B.The vessel is carrying more than the required number of qualified GMDSS radio operators
C.The vessel has a temporary waiver of its radio license and Safety Certificate
D.The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required
A.by which
B.through which
C.by that
D.through that
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By using（）system a ship can send a distress message and know with certainty it will be received.
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
What following is not among the function of SOLAS ships?（）
The rescue coordination center may（）on stations which interfere with traffic.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
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.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
Radio communication（）for many years and helps to save tens of thousands of lives.
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.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.