单项选择题

（）is used for heaving up and slacking away the anchor and chain.

A.A winch
B.A windlass
C.A deck crane
D.A lifeboat engine

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单项选择题

Frapping lines are fitted to lifeboat davits to（）.

A.secure the lifeboat in the davits when in the stowed position
B.bring the lifeboat close along the rail in the embarkation position
C.give the occupants a safety line when the boat is being lowered from the embarkation level
D.reduce the swinging of the lifeboat at the embarkation level

单项选择题

If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm，you should（）.

A.start the fire pump
B.go to your man overboard station
C.go to your lifeboat station
D.stand by for collision

单项选择题

Line throwing equipment should not be operated（）.

A.during a rain storm
B.in an explosive atmosphere
C.near a lifeboat station
D.by other than licensed officers