正确答案: C
C.50%
题目:MANB&W型柴油机活塞杆填料函工作环的平面间隙和环端间隙超过规定值的()时,应当换新。
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学习资料的答案和解析:
[单选题]废气锅炉烟道温度在300—400℃时可能发生()。
小的烟垢着火
[单选题]应保持锅炉管表面边界层的废气温度()烟灰着火温度,减少烟垢着火的危险。Ⅰ.低于;Ⅱ.等于;Ⅲ.高于
仅Ⅰ对
[单选题]吊缸发现燃烧室零件表面有水锈时,表明()产生穿透性裂纹。
气缸或活塞
[单选题]通过对轴系状态的检验发现,轴系的δmax、φmax不符合要求,这表明轴系的()不符合要求。
同轴度
[单选题]The () chamber is enclosed between the cylinder head and piston.
combustio
[单选题]The operating diesel generators will have their exhaust temperatures, cooling water and lubricating oil temperatures and pressures () in much the same way as for the main engine.
logged
[单选题]The removal of () from lubricating oil will reduce engine wear and possible breakdowns.
contaminating impuritie
[单选题]A three-way thermostatic control valve regulates the diesel engine cooling water temperature by passing a portion of the water ().
to the expansion tank