正确答案: B

Ⅰ+Ⅲ

题目：装用流动式备用件，它可以用一个备用部件代替基本部件中的任何一个部件，因此有（）的特点。Ⅰ.优点是可靠性最高；Ⅱ.维修性最高；Ⅲ.缺点是部件的形式必须相同

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学习资料的答案和解析：

[单选题]吊缸检修时，对气缸盖应着重检查（）的损坏情况。

B．触火面

[单选题]在重新组装回油孔调节式喷油泵时，为了保证齿条刻度指示的零位与柱塞套筒的实际零位（油泵柱塞直槽对准套筒上的回油孔）一致，生产厂家在（）之间做了对中记号，轮机员必须将两者对齐。

齿条和齿套

[单选题]轴系两端轴的同轴度是通过测量轴系两端轴法兰上的（）来衡量。

总偏中值

[单选题]He said that he had turned the main engine one complete revolution with the （）.

turning gear

[单选题]The pumps employed on board ship can be divided into two main categories ie（） pumps and centrifugal pumps.

positive displacement

[单选题]The viscosity regulator controls （） in order to provide oil at the correct viscosity for combustion.

the fuel oil temperature

[单选题]This used piston had been tested and approved as a spare part by the （） during last annual repair.

surveyor