A.is ready to use but vessels must stand clear
B.is ready to use and vessels may approach
C.cannot be made ready immediately and vessels shall stand clear
D.cannot be made ready immediately but vessels may approach
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A.ready for entrance
B.ready for entrance，but gates cannot be closed completely
C.being made ready for entrance
D.not ready for entrance
A.enter the pack on the windward side where there is a well defined ice edge
B.trim to an even keel or slightly down by the bow to take maximum benefit of the ice reinforcement
C.take maximum advantage of coastal leads caused by offshore winds
D.look for areas of rotten ice and enter perpendicular to the ice edge
A.Rudder action will become more effective
B.The vessel's list will change
C.The vessel's trim will change
D.An increase in speed will occur
A.decrease in capabilities of radar
B.decrease in displacement
C.adverse effect on trim
D.loss of stability
A.back your engines
B.stop your engines and drift
C.answer with one prolonged blast
D.sound the danger signal
最新試題
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.
In most cases，when a large merchant vessel enters shallow water at high speed the（）.
For operations in pack ice，a vessel should（）.
A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the（）.
A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by（）.
In selecting a tug for moving a vessel，consideration should be given to its（）.
Topside icing decreases vessel stability becauseit increases（）.
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?（）.
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（）.