A.distress, urgent and safety
B.safety and routine
C.urgent, safety and routine
D.distress, urgent, safety and routine
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A.sometimes
B.all times
C.never
D.partly
A.automatically suppressed
B.finished by the operator
C.manually suppressed
D.done again
A.DSC
B.EPIRB
C.EGC
D.NBDP
A.Inmarsat SES
B.VHF /DSC or MF/DSC
C.SART and VHF/DSC
D.Satellite EPIRB and VHF /DSC
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
最新試題
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
（）will form the basis for distress alerting and safety calling.
SOLAS ships shall be equipped with（）.
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.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
The vessel has stayed in port for seven days because she needs（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.