【名词&注释】
柴油机(diesel engine)、动力装置(power plant)、填料函(stuffing box)、活塞杆填料、规定值
[单选题]轴承若按合理校中原理校中时,采用的校中方法有()。
A. 法兰偏中值校中法
B. 轴承位置校中法
C. 轴承负荷校中法
D. A或B或C
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学习资料:
[单选题]推进装置的推进效率为推进轴上总有效功率与推进装置消耗的热量之比,因此它与()无关。
A. 动力装置消耗的能量
B. 动力装置的余热利用
C. 推进装置的燃料消耗
D. A+B
[单选题]MANB&W型柴油机活塞杆填料函工作环的平面间隙和环端间隙超过规定值的()时,应当换新。
A. A.10%
B. B.30%
C. C.50%
D. D.80%
[单选题]() is the removal of exhaust gases by blowing in fresh air.
A. Gas exchange
B. Charging
C. Scavenging
D. Supercharging
[单选题]() is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.
A. An air receiver
B. An operating valve
C. An automatic valve
D. An air distributor
[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]If you are unable to stop a diesel engine by any other means,you should().
A. discharge a CO2 extinguisher in the air inlet
B. pull off the distributor cap
C. secure the jacket water
D. secure the starting air supply valve
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