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
After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.
Mariners not entering the port are（）to keep at least one mile off.
A sweep oar is an oar that is（）.
What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.
A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
Aboard a survival craft，ether can be used to（）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
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（）.
After launching，an inflatable raft should be kept dry inside by（）.
Admiralty EasyTide（）.