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
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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
A.Situations when you can see vessels on radar that you cannot see visually
B.Visibility of less than half a mile
C.Any condition where visibility is restricted
D.Visibility where you cannot see shore
A.a blast of from five to seven seconds' duration
B.a blast of from five to six seconds' duration
C.a blast of from four to six seconds' duration
D.a blast of from six to seven seconds' duration
A.Whenever two vessels approach from opposite directions
B.If the bearing of an approaching vessel does not appreciably change
C.Whenever a vessel crosses ahead of the intended track of another vessel
D.If one vessel approaches another so as to be overtaking
最新試題
When visibility is restricted（），we can say it is restricted visibility.
Vessels should maintain a sharp lookout，especially during December through March，when navigating the right whale’s only known calving grounds which lie off the coasts of（）.
Which display indicates a vessel conducting mineclearance operations（）.
When ship at anchor she shall be deemed to be（）.
Which vessel is NOT to be regarded as restricted in her ability to maneuver（）.
You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.
You hear the fog signal of another vessel forward of your beam.Risk of collision may exist.You MUST（）.
Which vessel is NOT classified as “restricted in her ability to maneuver” （）.
You are under sail and overtaking a tug and tow.Which action is correct（）.
Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel（）.