题目内容
（请给出正确答案）
[单选题]
英语PISTON指（）
A.活塞
B.开关
C.按钮
D.弹簧
提问人：网友lixin080108
发布时间：2022-02-17
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A．活塞
B． 开关
C． 按钮
D． 弹簧
题目内容
（请给出正确答案）
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更多“英语PISTON指（）”相关的问题
第2题
Piston cooling fins are locatedA.atop the piston crownB.beneath the piston crownC.at the b
Piston cooling fins are located
A.atop the piston crown
B.beneath the piston crown
C.at the base of the piston skirt
D.inside the cylinder liner cooling water jacket
第3题
The function of the piston rings is to ________.A help cool the piston by transferring
The function of the piston rings is to ________.
A help cool the piston by transferring heat from the piston to the cylinder wall
B provide a sliding seal between the piston and cylinder wall
C scrape oil off the cylinder wall as the piston moves down on the power and intake strokes.
D all of the above
第4题
Cold clearances between the skirt of an aluminum piston and the cylinder liner is about __
__________________.
点击查看答案
A.twice as large as with a cast iron piston
B.the same size as with a cast iron piston
C.half as large as with a cast iron piston
D.the same size as the crown of an aluminum piston
第6题
A diesel engine piston crown can crack from __________.A.excessive piston to liner clearan
A diesel engine piston crown can crack from __________.
A.excessive piston to liner clearance
B.excessive dirt beneath the piston crown that reduces heat transfer
C.faulty nozzle spray
D.all of the above
第8题
注水系统在启动初始化过程中,细过滤器执行反洗程序的预冲洗后,将()
A．关闭这一状态直到脱氧塔开始工作
点击查看答案
B．保持这一状态直到脱氧塔开始工作
C．大流量反洗直到脱氧塔开始工作
D．压力释放直到脱氧塔开始工作
