單項選擇題

Late fuel injection timing is indicated by （）

A.lower than normal cylinder pressure and low exhaust temperature
B.lower than normal cylinder pressure and high exhaust temperature
C.higher than normal cylinder pressure and low exhaust temperature
D.higher than normal cylinder pressure and high exhaust temperature

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單項選擇題

The process of supplying a diesel engine cylinder with air at a pressure greater than atmospheric is called（）.

A.engine displacement
B.super-aspirating
C.air injection
D.supercharging

單項選擇題

In a diesel engine, blow-by（）

A.increase exhaust back pressure
B.causes excessive crankcase pressure
C.can only be detected by a compression check
D.decreases fuel consumption

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Late fuel injection timing is indicated by （）

你可能感興趣的試題

The process of supplying a diesel engine cylinder with air at a pressure greater than atmospheric is called（）.

In a diesel engine, blow-by（）