A.increase the brilliance of the PPI scope
B.turn off the interference controls on the radar
C.use the maximum available range setting
D.increase the radar signal output
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A.take action to cross ahead of the other vessel
B.take action to pass astern of the other vessel
C.maintain course and speed
D.change course and increase speed
A.Deadweight Scale
B.Tide Tables
C.Notices to Mariners
D.Table of Azimuth
A.NAVTEX, COSPAS/SARSAT, EPIRBs and Status Recording-system
B.Inmarsat,COSPAS/SARSAT, EPIRBs and Status Recording-system
C.NAVTEX, Inmarast,EPIRBs and SART
D.Inmarsat, direct Printing Telegraphy
A.radio-telephony, DSC, Direct Printing Telegraphy,Navtex and SART
B.INMARSAT, DSC, Direct Printing Telegraphy, Navtex and SART
C.radio-telephony,DSC,EPLRB,Navtex and SART
D.Status Recording system,DSC,Direct Printing Telegraphy, Navtex and SART
A.distress alert
B.urgency message
C.safety message
D.routine message
最新試題
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
The dew point temperature is（）.
What is it called when it is possible to ignite the vapour above the oil?（）
The loading of the ship must be done in accordance with（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
The mean draft of a ship is the draft（）.
Bales close to the deckhead should be covered to prevent（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
According to the relevant regulation, lifeboat should be powered by（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.