【名词&注释】
柴油机(diesel engine)、不合适(inconcinnity)、方向盘、静平衡试验(static balance test)
[单选题]柴油机气缸盖产生裂纹后,在分析产生裂纹原因时首先要检查的是()的问题。Ⅰ.制造质量;Ⅱ.设计;Ⅲ.材质;Ⅳ.管理;Ⅴ.保养。
A. Ⅰ+Ⅱ+Ⅲ+Ⅳ
B. Ⅰ+Ⅱ
C. Ⅰ+Ⅱ+Ⅲ
D. Ⅳ+Ⅴ
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学习资料:
[单选题]利用拐挡表测量主机曲轴臂距差时,下列哪一操作是不合适的()。
A. 安装拐挡表前,必须将盘车机合上并指派专人看守盘车机
B. 盘车使相应的曲柄处于适当的位置后,安装拐挡表
C. 安装拐挡表时,应调整好拐挡表的长度,使其具有合适压缩量
D. 因连杆组件的影响,测量时,应分别向正车和倒车两个方向盘车
[单选题]静平衡试验(static balance test)后,较轻桨叶上的挂重大于允许值,则应铲去()附近金属。
A. 较重桨叶叶背边缘
B. 较重桨叶叶面边缘
C. 较轻桨叶叶背边缘
D. 较轻桨叶叶面边缘
[单选题]On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as()
A. cooling jacket
B. cylinder liner
C. piston crown
D. cylinder cover
[单选题]To avoid scavenge fires occurring the engine timing and equipment maintenance ().
A. should be correctly carried out
B. should correctly be taken place
C. should carded with care
D. must to carry out with great care
[单选题]With supercharging a larger mass of air is supplied to the cylinder by blowing it in under pressure, which is the best means to () of the engine.
A. increase the exhaust temperature
B. increase the power of
C. reduce the speed
D. increase the fuel consumptio
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