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單項(xiàng)選擇題

The two strokes of a two-stroke/cycle diesel engine are （）

A.power and intake
B.intake and exhaust
C.exhaust and compression
D.compression and power

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單項(xiàng)選擇題

Which of the items listed causes a direct acting mechanical governor to operate the engine fuel control linkage?（）

A.Hydraulic oil pressure
B.Servomotor action
C.Flyweight centrifugal force
D.Relay motion

單項(xiàng)選擇題

Combustion knock occurring in a diesel engine can be caused by （）

A.low coolant temperature
B.insufficient fuel
C.high ambient temperature
D.carbon buildup on the injector tips

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