單項選擇題

Injection lag in a diesel engine may be caused by（）

A.a higher cetane number of fuel oil
B.the diesel fuel used having a high viscosity
C.mechanical rigidity in the lube pump mechanism
D.a decrease rigidity in the fuel pump delivery pressure

你可能感興趣的試題

單項選擇題

Which of the following relationships should occur between the temperature developed in a combustion space, and the compression ratio of the engine?（）

A.Higher compression ratios create higher temperature
B.Higher temperatures create higher compression ratios
C.low temperatures create higher compression ratios
D.Higher compression ratios create low temperatures

單項選擇題

An acceptable method of measuring for the correct rotational force applied to the connecting rod and main bearing bolts, is to use a（）

A.torque wrench
B.monkey wrench
C.pipe wrench
D.slugging wrench

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

Injection lag in a diesel engine may be caused by（）

你可能感興趣的試題

Which of the following relationships should occur between the temperature developed in a combustion space, and the compression ratio of the engine?（）

An acceptable method of measuring for the correct rotational force applied to the connecting rod and main bearing bolts, is to use a（）

97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久