A.fix
B.dead-reckoning position
C.running fix
D.probable position
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A.plane tangent at one point
B.cylinder tangent at one parallel
C.cone tangent at one parallel
D.series of cones tangent at selected parallels
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
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
最新試題
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
The Coast Radio Stations are found in（）.
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
An orange flag showing a black circle and square is a（）.
The information on ocean voyage planning with routeing details for powered and sailing vessels is likely found in（）.
A person who sees someone fall overboard should（）.
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（）.
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（）.
On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong（）.
After launching，an inflatable raft should be kept dry inside by（）.