单项选择题
Late fuel injection in a diesel engine is indicated by low firing pressure with （）
A.low exhaust temperature
B.low exhaust pressure
C.mechanical knock in each cylinder
D.black or gray exhaust smoke
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相关考题
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单项选择题
The bore of a diesel engine cylinder describes the （）
A.swept volume of the cylinder
B.inside diameter of the cylinder
C.piston displacement in the cylinder
D.length of the piston stroke -
单项选择题
When one cylinder has a lower compression pressure and higher exhaust gas temperature than any of the other engine cylinders, which of the conditions listed will indicated?（）
A.Advanced ignition
B.Clogged air intake
C.Leaky exhaust valve
D.High exhaust pressure -
单项选择题
Compared to a naturally aspirated diesel engine, a supercharged diesel engine has（）
A.a cylinder air charge of higher pressure
B.increased pumping losses
C.less valve overlap
D.reduced blow-by
