單項選擇題

Why are some diesel engine cylinder liners plated on the wearing surface with porous chromium?（）

A.The chromium will not wear out the piston rings
B.The chromium strengthens the liners in the way of the scavenging air ports
C.Chromium eliminates the need for oil scraper rings
D.Pores in the plating aid in maintaining the lube oil film

你可能感興趣的試題

單項選擇題

If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）

A.decrease until the engine speed increases
B.increase as the load increases
C.decrease as the load
D.increases remain unchanged

單項選擇題

The International Code for the Construction and equipment of Ships Carrying Dangerous Chemicals in Bulk (IBC Code) is a part of （）

A.SOLAS
B.MARPOL
C.STCW
D.Ballast Water convention

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

Why are some diesel engine cylinder liners plated on the wearing surface with porous chromium?（）

你可能感興趣的試題

If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）

The International Code for the Construction and equipment of Ships Carrying Dangerous Chemicals in Bulk (IBC Code) is a part of （）

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精