單項(xiàng)選擇題When shall the stand-on vessel in a crossing situation take action to avoid the other vessel().

A.When a risk of collision exists
B.When action by the give-way vessel alone will not prevent a collision
C.When the bearing to give-way vessel becomes steady
D.When the vessels become less than 1/2 mile apart


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1.單項(xiàng)選擇題When one upbound vessel is overtaking another vessel and both are pushing a tow ahead,what reaction may you expect().

A.Both towheads will tend to drift apart,and the overtaking vessel will be slowed down
B.Both towheads will tend to drift together,and the overtaking vessel will be slowed down
C.Both towheads will tend to drift apart,and the overtaken vessel will be slowed down
D.Both towheads will tend to drift together,and the overtaken vessel will be slowed down

2.單項(xiàng)選擇題When one of two vessels()is required to keep out of the way the other must keep her course and speed.

A.In sight of another
B.Sights the another
C.Not in sight of the other
D.In sight of one another

5.單項(xiàng)選擇題Vessel engaged in the launching or recovery of aircraft is called().

A.A vessel restricted in her ability to maneuver
B.A vessel not under command
C.A vessel constrained by her draught
D.A vessel not under way