【名词&注释】
磨损率(wear rate)、水压试验(hydrostatic test)、气缸套(cylinder liner)、活塞环槽(piston ring groove)、符合要求(meet the requirement)
[单选题]() the supercharge pressure is, () power an engine develops.
A. The higher;the more
B. Higher;more
C. Higher;little
D. The higher;the le
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学习资料:
[单选题]不属于吊缸检修的技术要求有()。
A. 气缸盖、气缸套0.7MPa水压试验应密封良好
B. 气缸套、活塞环、活塞环槽的磨损率小于允许值
C. 天地间隙、搭口间隙、缸径最大增量均符合要求(meet the requirement)
D. 测量轴承间隙
[单选题]轴系应用合理校中原理校中时,普遍采用()定位,然后用()验证。
A. 测偏中值法/顶举法
B. 顶举法/测偏中值法
C. 顶举法/顶举法
D. 测偏中值法/测偏中值法
[单选题]轴与桨法兰连接者或无键连接者,检验间隔期为()。
A. 2年
B. 3年
C. 4年
D. 5年
[单选题]艉轴管本件在船上安装后应进行()水密试验。
A. 艉轴管
B. 尾尖舱
C. 艉轴承
D. 货舱
[单选题]Bearing knocks are likely to occur from ().
A. less clearance
B. dirty lube oil
C. overload
D. bearing wear
[单选题]There is an injection pump for each cylinder, which is usually operated once every cycle by () on the camshaft.
A. a gear
B. a cam
C. a rod
D. a miler
[单选题]The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust ().
A. gas composition
B. gas temperature
C. pressure
D. timing
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