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
On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong（）.
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（）.
A sweep oar is an oar that is（）.
The program of graphical predictions of height against time for a period of up to seven consecutive days is contained in（）.
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.
Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
An orange flag showing a black circle and square is a（）.