单项选择题
If you were to pass a stopper on a wire rope，what should the stopper be made of?（）
A.Wire
B.Manila
C.Nylon
D.Chain
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相关考题
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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 -
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
