正确答案: D
air
题目:Expansion tank should be used to remove () from cooling water.
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学习资料的答案和解析:
[单选题]防止拉缸的工艺措施主要是()。Ⅰ.保证活塞运动装置的安装精度;Ⅱ.保证活塞运动装置的对中性;Ⅲ.采用波纹加工;Ⅳ.采用精车加工;Ⅴ.采用研磨加工。
D.Ⅰ+Ⅱ+Ⅲ
[单选题]活塞运动部件在船上安装前,应在车间平台对其位置精度进行复验,以保证()。
其与固定件的对中性
[单选题]艉轴管本件在船上安装后应进行()水密试验。
尾尖舱
[单选题]油润滑艉轴承Simplex密封装置的损坏主要发生在()上。
橡胶环和防蚀衬套
[单选题]Oil pressure in the lubrication system is () the static sea water head to ensure that sea water () the stem-tube.
higher than ;cannot enter
[单选题]The selection of an oil depends () on the operating conditions, the design of the engine and the type of fuel to be burned.
to a great extent
[单选题]The pH value of water in a diesel engine closed cooling water system should be maintained between ().
80 to 95
[单选题]How would the exhaust of a properly operating diesel engine appear?().
Perfectly clear