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單項(xiàng)選擇題

Fuel injected into a diesel engines cylinder is ignited by （）.

A.the heat compressed fuel/air mixture in the cylinder
B.the fuel igniter
C.the fuel injector
D.the fuel pump

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單項(xiàng)選擇題

Fuel has been injected but ignition fails The possible cause may be （）.

A.leaky exhaust valve
B.increased scavenging air temperature
C.engine cylinders not scavenged sufficiently
D.water in the fuel oil

單項(xiàng)選擇題

Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.

A.cylinder covers
B.lubricating space
C.crosshead
D.exhaust manifold

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