单项选择题

The use of sinking and dispersing chemical agents for removal of surface oil is（）.

A.the most common method used in the United States
B.too expensive for common use
C.generally safe to sea life
D.authorized only with prior approval of the Federal On-Scene Coordinator

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单项选择题

The sprinkler system of an enclosed lifeboat is used to（）.

A.cool the craft in a fire
B.cool the engine
C.spray oil on the sea to calm it
D.spray personnel during a fire

单项选择题

The sea painter of a rescue boat should be led（）.

A.forward and outboard of all obstructions
B.forward and inboard of all obstructions
C.up and down from the main deck
D.to the foremost point on the vessel

单项选择题

The sea anchor shown as item number 14 will NOT（）.

A.check the liferaft's way
B.keep the liferaft end on to the sea
C.reduce the possibility of capsizing or broaching
D.right the raft if it inflates inverted