正确答案: B
Ⅰ+Ⅲ
题目:拆装增压器时对于转子上的零件及其位置不可以随意更换和改动,以免影响()。Ⅰ.对中性;Ⅱ.运转;Ⅲ.平衡精度;Ⅳ.振动;Ⅴ.转子变形。
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学习资料的答案和解析:
[单选题]排气阀阀面磨损严重时,采用()修复。
堆焊
[单选题]主机底脚螺栓松动则可能导致()。Ⅰ.垫块磨损;Ⅱ.机座局部下沉;Ⅲ.曲轴变形;Ⅳ.主机振动。
Ⅰ+Ⅱ+Ⅲ+Ⅳ
[单选题]船轴工作轴颈磨损后可采取()修复。
光车
[单选题]二冲程柴油机停增压器运转时使用电动鼓风机供气,此时柴油机可达到标定功率的()。
25%
[单选题]Since the burning or combustion takes place within the engine itself, the engine is known as ().
an internal combustion engine
[单选题]Smaller engines can be made more rigid than large ones and may not have ().
through bolts
[单选题]The diesel engine is a type of ().
internal combustion engine
[单选题]Generating tubes in waste heat boilers are finned to ().
increase the rate of heat transfer