A.To avoid immediate danger
B.When authorized by the rig superintendent
C.To comply with an operator's requirement
D.Under no conditions
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A.alter course to starboard and pass port to port
B.alter course to port and pass starboard to starboard
C.decide on which side the passage will occur by matching whistle signals
D.slow to bare steerageway
A.Two masthead lights
B.One masthead light and a sidelight
C.Both sidelights
D.Stern light only
A.Each vessel should show sidelights
B.Each vessel should show at least one white light
C.The barges should be lighted as separate units
D.The barges should be lighted as one vessel
A.Radiation fog
B.Frontal fog
C.Convection fog
D.Advection fog
A.One to another
B.One the other
C.Each the other
D.Each other
最新試題
You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
Which one of the following rules is not regarding two power-driven vessels meeting end or nearly end on so as to involve risk of collision（）.
Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.
You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.
When shall the stand-on vessel in a crossing situation take action to avoid the other vessel（）.
Under what condition are you allowed to depart from the rules of the road（）.
You see a vessel carrying a black diamond which indicates a（）.
You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should（）.
Which display indicates a vessel conducting mineclearance operations（）.
When one upbound vessel is overtaking another vessel and both are pushing a tow ahead，what reaction may you expect（）.