單項(xiàng)選擇題

Cracking of a diesel piston crown can result from（）

A.Excessive piston to liner clearance
B.The underside of the piston crown being excessively dirty lowering the rate of heat transfer
C.Faulty nozzle spray
D.All of the above

你可能感興趣的試題

單項(xiàng)選擇題

In an auxiliary diesel engine, the reason for knurling the piston skirt is to（）

A.improve skirt lubrication
B.allow for expansion
C.transmit forces evenly
D.improve the piston seal

單項(xiàng)選擇題

Which of the listed design features is found in an exhaust valve and NOT in an intake valve?（）

A.Hard alloy steel construction
B.Beveled edges on the valve head
C.Low alloy steel construction
D.Poppet type design

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

Cracking of a diesel piston crown can result from（）

你可能感興趣的試題

In an auxiliary diesel engine, the reason for knurling the piston skirt is to（）

Which of the listed design features is found in an exhaust valve and NOT in an intake valve?（）

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