單項(xiàng)選擇題

Piston compression rings used in a diesel engine function to （）

A.transfer heat from the cylinder to the piston
B.scrape oil from the sides of the piston
C.seal the combustion space from the crankcases
D.prevent any piston contact with the cylinder liner

你可能感興趣的試題

單項(xiàng)選擇題

An indicator card or pressure-volume diagram, shows graphically the （）

A.compression ratio of the engine
B.volume of the engine
C.relationships between pressure and volume during one stroke of the engine
D.relationships between pressure and volume during one cycle of the engine

單項(xiàng)選擇題

In a single acting, two-stroke/cycle, diesel generator engine, the power impulse in an individual cylinder occurs （）

A.once every crankshaft revolution
B.once every two crankshaft revolutions
C.once every piston stroke
D.twice every piston stoke

感谢您访问我们的网站，您可能还对以下资源感兴趣：

国产黄色视屏

视频一区二区无码制服师生国产三级香港三级人妇国产码一区二区在线观看国产伦精品一区二区三区免费观看