题目内容

In a four- stoke/cycle diesel engine, after the completion of the power stroke, the piston will move( )

A. up and draw in a fresh air charge
B. down to burn off fuel
C. down to compress the fuel air charge
D. up and force out the exhaust gases

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The process of breaking up fuel oil into fine particles to ensure good combustion is called( )

A. settling
B. straining
C. pumping
D. atomization

The( )takes a suction from the double-bottom tanks and discharges it to the settling tanks.

A. fuel oil service pump
B. general service pump
C. sump pump
D. fuel oil transfer pump

( )high pressure pipe and injectors need to be closely matched to provide optimum fueinjection.

A. The fuel transfer pump
B. The fuel feed pump
C. The fuel injection pump
D. The fuel booster pump

In a diesel engine lube oil system, which of the following parts should be lubricated first?( )

A. Camshaft bearings.
B. Main bearings.
C. Piston crowns.
D. Cylinder walls.