单项选择题
A.temperature of the intake air B.friction within the engine C.mechanical condition of the supercharger D.mechanical condition of the turbocharger
A practical way of checking for excessive fuel injectio...
单项选择题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
If the compression ratio is increased on any diesel eng...
单项选择题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
If a used lube oil analysis indicates excessive fuel di...
单项选择题If a used lube oil analysis indicates excessive fuel dilution, the lube oil should be （）
A.changed B.centrifuged C.filtered D.settled
