正确答案: D
Ⅳ+Ⅴ
题目: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。
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学习资料的答案和解析:
[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()。
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]静平衡试验后,较轻桨叶上的挂重大于允许值,则应铲去()附近金属。
较重桨叶叶背边缘
[单选题]On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as()
cooling jacket
[单选题]To avoid scavenge fires occurring the engine timing and equipment maintenance ().
should be correctly carried out
[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.
increase the power of