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


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1.單項(xiàng)選擇題If not attached to the nozzle,each low-velocity spray applicator on a vessel must be stowed（）.

A.in a protected area on the main deck
B.inside a machinery space near the entrance
C.next to the fire hydrant to which the fire hose is attached
D.on a rack inside the quarters near the entrance

2.單項(xiàng)選擇題If the circunstance of the case admits,don’t alter course to port for a vessel on you（）.

A.starboard side
B.port side
C.stern
D.head

3.單項(xiàng)選擇題If the life raft capsizes,all personnel should leave the raft and（）.

A.climb onto the bottom
B.swim away from the raft
C.right the raft using the righting strap
D.inflate the righting bag

4.單項(xiàng)選擇題If the metacenteroic height is large,a floating vessel will（）.

A.be tender
B.have a slow and easy motion
C.be stiff
D.have a tendency to yaw

5.單項(xiàng)選擇題If the metacenteroic height is small,a floating vessel will（）.

A.be tender
B.have a quick and easy motion
C.be stiff
D.yaw