單項(xiàng)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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1.單項(xiàng)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

2.單項(xiàng)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

3.單項(xiàng)選擇題If a spill occurs,where would you log it?（）.

A.Oil record book
B.Bell book
C.Smopth logbook
D.Official logbook

4.單項(xiàng)選擇題If a vessel list to port,the center of buoyancy will（）.

A.move to port
B.move to starboard
C.move directly down
D.stay in the position

5.單項(xiàng)選擇題If heavy smoke is coming from the paint locker,the first firefighting response should be to（）.

A.release the CO fiooding system
B.open the door to evaluate of the fire
C.enter and use a portable extinguisher
D.secure the ventilation