The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by （）

A、pumping action of the piston

B、pressure of the fuel charge

C、vacuum developed in the manifold

D、pressure of the fresh air charge

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更多“The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by （）”相关的问题

第1题

[单选题] A turbocharged, four-stroke/cycle diesel engine has a larger valve overlap than a naturally aspirated four-stroke/cycle diesel engine, in order to in crease the （）.

A、temperature of the exhaust gases B、energy supplied to the turbocharger C、air pressure to the intake manifold D、purge of exhausted gases from the cylinders

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第2题

[单选题] A dry-type spark arrestor removes sparks from a diesel engine exhaust by（）

A、increasing the linear velocity of the exhaust gases B、changing directions of exhaust gas flow C、decreasing the temperature of the exhaust gases D、accelerating the exhaust gas through a reduced size orifice

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第3题

[] A water jacket is placed around the exhaust manifolds of propulsion diesel engines to（）

A、A.reduce heat radiation to the engine room B、B.aid in preventing turbocharger overheating C、C.condense and drain moisture from exhaust gases D、D.dampen exhaust gas pulsations in the manifold

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第4题

[] In a diesel engine exhaust system, the cooling of the exhaust gases below their dew point, will result in （）

A、A.increased engine back pressure B、B.sulfuric acid corrosion C、C.surface pitting of the turbocharger D、D.moisture impingement on the turbocharger compressor blade

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第5题