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
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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
A.can be overcome by using traditional techniques
B.can not be overcome by satellite system
C.can be overcome by satellite and digital techniques
D.can not be tackled by any modern system
A.assist
B.send a rescue
C.search the distress area
D.Reach the distress position at once
A.INMARSAT, EPIRB and DSC
B.NAVTEX, NBDP and R/T
C.INMARSAT, VHF and SART
D.EPIRB, DSC and radar
A.distress and safety radio communication purposes
B.life-saving purpose
C.GMDSS requirements
D.emergency position
最新試題
Radio beacon can be activated（）in case of distress.
The vessel has stayed in port for seven days because she needs（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
Radio communication（）for many years and helps to save tens of thousands of lives.
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.
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.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
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.
All coast radio stations（）DSC installed for VHF and HF.
What following is not among the function of SOLAS ships?（）