问题详情

答题翼 > 问答 > 职业技能鉴定 > 正文
目录: 标题| 题干| 答案| 搜索| 相关

Proper lubrication of the main bearing is more easily obtained in a single acting four-str


Proper lubrication of the main bearing is more easily obtained in a single acting four-stroke/cycle diesel engine than in a single acting two-stroke/cycle diesel engine because ____.

A.bearing pressure in a four-strokecycle acting single diesel engine is continually reversed

B.bearing pressure in a two-strokecycle single acting diesel engine is continually reversed

C.the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine

D.two-stoke/cycle diesel engines require more complicated lubrication piping

请帮忙给出正确答案和分析,谢谢!

参考答案
您可能感兴趣的试题