單項(xiàng)選擇題

A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to （）

A.feel the high pressure fuel line
B.check the cylinder exhausts for white smoke frequently
C.check the cylinder exhaust temperature
D.isolate each cylinder and inspect the injector

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單項(xiàng)選擇題

If the compression ratio is increased on any diesel engine, （）

A.the expansion ratio will decrease
B.combustion will be slowed down
C.thermal efficiency will decrease
D.thermal efficiency will increase

單項(xiàng)選擇題

If a used lube oil analysis indicates excessive fuel dilution, the lube oil should be （）

A.changed
B.centrifuged
C.filtered
D.settled

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A practical way of checking for excessive fuel injection in one cylinder of an operating diesel engine is to （）

你可能感興趣的試題

If the compression ratio is increased on any diesel engine, （）

If a used lube oil analysis indicates excessive fuel dilution, the lube oil should be （）