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單項(xiàng)選擇題

"Scavenging" on a diesel engine means （）.

A.injecting fuel oil into a cylinder
B.removing exhaust gases from the cylinder
C.forcing air into the cylinders under pressure after the exhaust valve has dosed
D.a combination of all the above

你可能感興趣的試題

單項(xiàng)選擇題

Scavenging is （） of exhaust gases by blowing in fresh air.

A.the suction
B.the compression
C.the removal
D.the deliver

單項(xiàng)選擇題

Rotating flyweights acting against spring pressure make a simple type of （）.

A.governor
B.safety valve
C.reducing valve
D.feed water regulator

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"Scavenging" on a diesel engine means （）.

你可能感興趣的試題

Scavenging is （） of exhaust gases by blowing in fresh air.

Rotating flyweights acting against spring pressure make a simple type of （）.

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