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單項選擇題

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

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單項選擇題

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

單項選擇題

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

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