单项选择题

If an emergency pump control is used as the emergency shutdown on a tanker，it must（）.

A.stop the flow of oil at the main deck manifold
B.prevent the oil from leaving the shore facility
C.prevent the oil from siphoning through the pump
D.None of the above

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单项选择题

If a davit-launched life raft aboard a vessel cannot be launched because of damage to the davit，you should（）.

A.inflate the life raft on deck
B.roll the life raft over the side
C.go to another life raft station
D.get a saw and cut the life raft free

单项选择题

Hand holds or straps on the underside of an inflatable liferaft are provided（）.

A.to right the raft if it capsizes
B.to carry the raft around on deck
C.for crewmen to hang on to
D.to hang the raft for drying

单项选择题

Each commercial fishing vessel must have at least one immersion suit，exposure suit，or life preserver for each（）.

A.person aboard
B.person working on deck
C.crew member
D.None of the above are correct