单项选择题
Which of the listed diesel engine systems is likely to create the problem of a cylinder regularly misfiring?（）
A.Lubrication
B.Cooling
C.Fuel
D.Electric ignition
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相关考题
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单项选择题
When the normal compression ratio of a diesel engine is not very high, misfiring at light loads may be caused by （）
A.overloading the engine
B.low exhaust valve lift
C.excessive cylinder cooling
D.insufficient mechanical clearance -
单项选择题
In a two-stroke/cycle diesel engine, the exhaust gases are expelled from the cylinder by the（）
A.exhaust manifold
B.valve bridge
C.pressure of the fresh air charge
D.valve adjusting gear -
单项选择题
If a diesel engine driving a generator turns over freely but fails to fire properly, the cause could be （）
A.excessive compression pressure
B.air in the fuel lines
C.high fuel pressure
D.excessive load
