单项选择题
A.misfiring B.pre-ignition C.interrupted scavenging D.reduced scavenging
Diesel engine exhaust temperatures may be used to indic...
单项选择题Diesel engine exhaust temperatures may be used to indicate （）.
A.leaking exhaust valves B.an overloaded cylinder C.a clogged injector nozzle D.all of the above
In a bypass type lubrication system for a diesel engine...
单项选择题In a bypass type lubrication system for a diesel engine, the dirty oil line to the centrifuge should be taken from the （）.
A.lube oil pump suction line B.lube oil pump discharge line C.bottom of the lube oil sump D.outlet from the lube oil header
Theoretical perfect combustion in a diesel engine yield...
单项选择题Theoretical perfect combustion in a diesel engine yields by-products of （）.
A.aldehydes and carbon dioxide B.water vapor and carbon monoxide C.nitrogen and carbon monoxide D.water vapor and carbon dioxide
