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
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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
A.only one high and one low water occur during a lunar day
B.the high tide is higher and the low tide is lower than usual
C.the high tide and low tide are exactly six hours apart
D.two high tides occur during a lunar day
最新試題
On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.
For operations in pack ice，a vessel should（）.
A vessel the passage of which is not to be impeded（）to comply with this Rule when the two vessels are approaching one another so as to involve risk of collision.
Topside icing decreases vessel stability becauseit increases（）.
An alternating light（）.
A vessel proceeding along the course of a narrow channel shall keep as near to the outer limitof the channel which lies on her starboard side as it is safe and practicable.Which one of the followings does the statement express?（）.
A towing vessel should be on the crest of a wave at the same time as its tow and in the trough at the same time. The term used to describe this is（）.
When operating in an area where sea ice and icebergs are present，which statement is TRUE? （）
When pushing ahead，wires leading from the quarters of the after outboard barges to the bow of a towboat（）.
Before entering an ice area，the ship should be（）.