單項選擇題

Due to excessive water in the fuel, a diesel engine fails to startBefore the engine can be started, the water must be removed from the （）.

A.fuel pumps
B.cylinders
C.fuel strainers
D.all of above

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單項選擇題

A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a （）

A.low TBN value
B.high alkaline reserve
C.low flash point
D.high pour point

單項選擇題

In a four-stroke/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