单项选择题

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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Which of the items listed causes a direct acting mechan...

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A.Hydraulic oil pressure
B.Servomotor action
C.Flyweight centrifugal force
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Combustion knock occurring in a diesel engine can be ca...

单项选择题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

Crankcase explosions in propulsion diesel result from（）...

单项选择题Crankcase explosions in propulsion diesel result from（）

A.the splashing of lubrication oil by the crankshaft
B.the dilution of crankcase oil with particles of combustion
C.broken fuel lines spraying oil on the crankcase
D.the ignition of unburned fuel and air in the crankcase

船舶电气与船舶安全

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