正确答案: C

0.03d＋7.5mm

题目：新制艉轴铜套的厚度应为（）。

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学习资料的答案和解析：

[单选题]甲板机械是为保证（）的机械设备。

A+B

[单选题]双轴系具有（）的特点。Ⅰ.高速；Ⅱ.便于操纵；Ⅲ.机动性好；Ⅳ.传动损失小；Ⅴ.生命力强。

Ⅰ＋Ⅲ＋Ⅴ

[单选题]检查油润滑艉轴承密封装置防蚀衬套的密封性采用（）方法。

水压试验

[单选题]暖机主要工作是（）。Ⅰ.冷却系统预热；Ⅱ.润滑系统预热；Ⅲ.燃油系统预热；Ⅳ.启动空气预热

Ⅰ+Ⅱ+Ⅲ

[单选题]Once all cylinders are firing regularly, （） is shut off.

the starting air

[单选题]Which of the following is a factor of fuel oil almost having nothing to do with the formation of combustion products?（）

setting point

[单选题]General, the best way for replacement of lamp is （）.

before the point is reached at which the failures begin to increase rapidly

[单选题]The PRIMARY function of a waste heat boiler is to （）

recover heat which otherwise would be lost