单项选择题

If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out?（）

A.Chain stopper
B.Devil's claw
C.Hawse ratchet
D.Riding pawl

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单项选择题

If the ship is alongside the wharf，what kind of（）is used?

A.pilot ladder
B.rope ladder
C.rod ladder
D.accommodation ladder

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

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