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 launching，an inflatable raft should be kept dry inside by（）.
An orange flag showing a black circle and square is a（）.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.
For details of these and other lights the larger scale charts and Admiralty Lists should be （）.
Mean high water is the average height of（）.
Light Lists for coastal waters are（）.
The latest known details of lights are given in（）.
An inflatable liferaft should be manually released from its cradle by（）.
To predict the actual depth of water using the Tide Tables，the number obtained from the Tide Tables is（）.