A.directional current
B.forward current
C.propeller current
D.wake current
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A.Shift weight to the bow
B.Shift weight to the center of the boat
C.Shift weight to the stern
D.Throw excess weight overboard
A.Port
B.Commercial area
C.Berth
D.Roadstead
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
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
最新試題
In selecting a tug for moving a vessel，consideration should be given to its（）.
Two vessels are abreast of each other and passing port to port in a confined waterway. What should you expect as your bow approaches the screws of the other vessel? （）
Topside icing that blocks freeing ports and scuppers（）.
An alternating light（）.
For operations in pack ice，a vessel should（）.
As the weather was worsening and wind force rising to 8，my vessel（）were yawing within forty degrees of the compass.
If a tow sinks in shallow water，you should（）.
A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral 4 when the vessel（）.
Small floes of rough，hummocky sea ice capable of damaging a vessel（）.
A vessel shall be deemed to be overtaking when she can see at night（）.