A.avoid crossing the channel at right angles
B.not overtake any vessels within the channel
C.keep as near as safe and practicable to the limit of the channel on her starboard side
D.when nearing a bend in the channel，sound a long blast of the whistle
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A.The vessel moving upstream against the current
B.The vessel moving downstream with a following current
C.The vessel located more towards the channel centerline
D.The vessel with the least amount of maneuverability
A.indicated horsepower
B.brake horsepower
C.dynamic horsepower
D.net horsepower
A.tow strain
B.catenary length
C.being in step
D.Williamson's Tow
A.At the head of the tow
B.75m from the head of the tow
C.120m from the head of the tow
D.180m from the head of the tow
A.yaw
B.surge
C.sway
D.swing
最新試題
In selecting a tug for moving a vessel，consideration should be given to its（）.
When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.
Topside icing that blocks freeing ports and scuppers（）.
The proximity of pack ice may be indicated by（）.
A vessel proceeding along the bank of a river or channel has the tendency to（）.
A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the （）limit of the channel or fairway which lies on her（）side as is safe and practicable.
On a single-screw vessel the stern frame（）.
A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by（）.
Topside icing decreases vessel stability because it is usually off-center and（）.
Small floes of rough，hummocky sea ice capable of damaging a vessel（）.