单项选择题

When using the lifeboat compass，you must be careful to（）.

A.set it on the centerline of the boat
B.apply the correction for compass error
C.keep metal objects away from it
D.All of the above

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单项选择题

When transferring survivors from an enclosed lifeboat to a rescue vessel，personnel on board the boat should（）.

A.remove their life preservers to make it easier to climb on board the rescue vessel
B.climb on top of the boat while waiting for their turn to transfer to the rescue vessel
C.remain seated inside and make the transfer one person at a time
D.enter the water and swim over to the rescue vessel

单项选择题

When operating the air supply system in a covered lifeboat the（）.

A.fuel supply valve should be closed
B.hatches，doors，and oar ports should be closed
C.air cylinder shut-off valve should be closed
D.engine should be shut off

单项选择题

When launching an open lifeboat by falls，the boathooks should be（）.

A.secured forward and aft where readily available
B.secured amidships where they will not hinder the personnel
C.used for fending off
D.used for picking up survivors in the water