[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。
正确答案 :D
Ⅳ+Ⅴ
[单选题]短轴系是指具有()或()中间轴的轴系。
正确答案 :B
一节/无
[单选题]With the shell and cap assembled as for running, a check must be made that the clearance between the cap and the housing ().
正确答案 :D
are suitable
[单选题]Improper maintenance of an automatic auxiliary boiler oil burner could result in ().
正确答案 :D
decreased boiler efficiency
[单选题]Misalignment of the drive shaft and propeller shaft flanges can be detected by using a dial indicator or ().
正确答案 :B
feeler gauge
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