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單項(xiàng)選擇題

On a ship，the possibility of a blowout makes which type of diesel engine shutdown desirable?（）

A.Overspeed trip
B.Air inlet shut-off valve
C.Water injector
D.Fuel cutoff valve

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單項(xiàng)選擇題

My ship’s engine responds well to telegraph orders and takes about 80 seconds to reverse from full speed ahead to full speed astern.This sentence（）.

A.indicates the engine's particulars
B.tells the engine's function
C.shows the engine's type
D.refers to the engine's information

單項(xiàng)選擇題

Most medium and slow speed diesels are started by what medium?（）

A.Electric starting motors
B.Hydraulics
C.Compressed air
D.Ether

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