單項選擇題

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

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單項選擇題

If a firefighting situation calls for low-velocity fog you would（）.

A.order the engine room to reduce pressure on the fire pump
B.put the lever on an all-purpose fire nozzle all the way forward
C.attach a low-velocity fog applicator with the nozzle shut down
D.put the lever on an all-purpose fire nozzle all the way back

單項選擇題

If a hydraulic pump on a winch accidentally stops while hoisting,the load will stay suspended because（）.

A.a check valve will close that prevents reverse circulation
B.a centrifugal counterweight counteracts the force of gravity
C.the electric pump motor cut out
D.the control lever will move to the stop position

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