<big id="xt4i4"></big>

單項選擇題

Because of the close tolerances used in diesel engine fuel oil pumps, a worn plunger requires（）

A.grinding the spare plunger to the barrel
B.replacing the plunger and the barrel
C.highly polishing both the plunger and barrel
D.replacing plunger only

你可能感興趣的試題

單項選擇題

Which of the following statements represents the function of the compression rings installed at the top of a diesel Engine piston?（）

A.Control the amount of lube oil burned in the combustion chamber
B.Transmit heat from the piston to the cylinder liner
C.Prevent damage to ring groove inserts by acting as a heat dam
D.Dissipate combustion chamber gas pressure by channeling it through the ring gap

單項選擇題

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

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