Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine byA.natural aspirationB.masked intake valvesC.air ceilsD.scavenging air - 牛搜题

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题目

Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine by

A.natural aspiration

B.masked intake valves

C.air ceils

D.scavenging air

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更多“Exhaust gases are generally removed from the cylinders of a two－stroke／cycle diesel engine ”相关问题

第1题：

The upper piston rings m large, slow-speed, two-stroke/cycle diesel engines are most effectively lubricated by oil ____.
A.fed from mechanical lubricators
B.thrown off from the main bearings
C.supplied from wick fed drip lubricators
D.flow from a centrifugal or banjo oiler

正确答案：A
第2题：

1、（）在西门子802D系统中指的是平面铣削循环。
A．CYCLE71
B．CYCLE73
C．CYCLE95
D．CYCLE81

A
第3题：

（）在西门子802D系统中指的是轮廓铣削循环。
A．CYCLE72
B．CYCLE73
C．CYCLE95
D．CYCLE81

A
第4题：

The smallest physical units on a hard disk are called(72).
A．Tracks
B．Clusters
C．Sectors
D．Cylinders

正确答案：C
解析：硬盘上最小的物理单元称之为扇区。
第5题：

（）在西门子802D系统中指的是平面铣削循环。
A．CYCLE71
B．CYCLE73
C．CYCLE95
D．CYCLE81

A
第6题：

2、（）在西门子802D系统中指的是轮廓铣削循环。
A．CYCLE72
B．CYCLE73
C．CYCLE95
D．CYCLE81

A

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