單項選擇題

Proper filtering and straining of fuel oil is important because the （）.

A.fuel oil pump will over-speed if dirt is not removed
B.fuel oil transfer pumps cannot tolerate small amounts of dirt in the oil
C.fuel injectors may be damaged by foreign particles in the fuel oil
D.dirty fuel will clog the intake air filter

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單項選擇題

An automated diesel engine should normally shut down due to （）

A.low lube oil temperature
B.high ambient air temperature
C.low tube oil pressure
D.high exhaust system back pressure

單項選擇題

The minimum speed an engine must attain before ignition can occur depends upon （）.

A.the type and size of the engine
B.the condition of the engine
C.ambient temperature
D.all of the above

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Proper filtering and straining of fuel oil is important because the （）.

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An automated diesel engine should normally shut down due to （）

The minimum speed an engine must attain before ignition can occur depends upon （）.