【名词&注释】
柴油机(diesel engine)、活塞式(piston)、适用于(suitable for)
[单选题]中间轴承的工作轴颈一般较非工作轴颈大()mm。
A. 5~10
B. 5~15
C. 5~20
D. 10~20
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学习资料:
[单选题]柴油机进行横向校中只适用于()柴油机。
A. 筒状活塞式
B. 十字头式
C. 中、高速
D. 小型
[单选题]轴系校中完毕,要求实测中间轴承的负荷,允差为()。
A. 5%
B. 10%
C. 15%
D. 20%
[单选题]Charging is the filling of the engine cylinder with a supply of () for compression.
A. water
B. fresh air
C. fuel oil
D. ga
[单选题]The ports are drilled in the liners at an angle of approx 20℃ the result being that () is given a rotary movement.
A. the scavenging air
B. the exhaust gases
C. the mixed air
D. the spray oil
[单选题]How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?()
A. One
B. Two
C. Four
D. Eight
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