A.when at anchor
B.only when making way
C.at any time when underway
D.only when the identifying lights are not being shown
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A.aground
B.at anchor
C.not under command
D.being towed
A.average wind conditions
B.tidal currents
C.magnetic variation
D.average limits of field ice
A.B flammable liquid
B.C flammable liquid
C.D combustible liquid
D.E combustible liquid
A.should always be immediately corrected
B.will always cause a vessel to capsize
C.always results from off-center weights
D.All of the above are correct
A.can use radar information from one object to fix the position
B.should never use radar bearings
C.should only use radar bearings when the range exceeds the distance to the horizon
D.must use information from targets forward of the beam
最新試題
Many of the lights on this coast are placed so high as to be frequently obscured by（）.
After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.
The information on（）is not likely found in The Mariners Handbook.
The light vessel is reported（）.
Of the following，（）is not likely found in The Mariners Handbook.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
An inflatable liferaft is hand-launched by（）.
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
After being rescued from the vessel accident，the people agreed that they had much to（）.