单项选择题
In a diesel engine, an extremely leaking exhaust valve can cause （）.
A.misfiring
B.pre-ignition
C.interrupted scavenging
D.reduced scavenging
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相关考题
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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 -
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 -
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
