正确答案: C
the cylinder lubricators
题目:Before pumping up the crankcase oil,() should be worked by hand to minimize corrosive action on the liners.
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学习资料的答案和解析:
[单选题]柴油机吊缸时,不正确的做法是()。
在拆卸下来的零件配合面上做好记号
[单选题]当气阀阀面出现麻点、腐蚀时可采用()工艺修复。
以上均可
[单选题]螺旋桨的缺陷主要有()。Ⅰ.腐蚀;Ⅱ.桨脱落;Ⅲ.振动;Ⅳ.变形;Ⅴ.裂纹和折断。
Ⅰ+Ⅳ+Ⅴ
[单选题]航行中的螺旋桨故障主要有()。Ⅰ.振动;Ⅱ.鸣音;Ⅲ.失去平衡;Ⅳ.桨叶折断;Ⅴ.桨叶穴蚀。
Ⅱ+Ⅲ
[单选题]转舵时声音异常并存在严重的撞击现象,其原因可能是()。
舵承与舵杆、舵轴、舵销的配合间隙过大
[单选题]赛龙是由高性能热固性树脂合成的均质聚合物,具有()等特点。Ⅰ.弹性好;Ⅱ.耐磨性好;Ⅲ.耐蚀性好;Ⅳ.导热性好;Ⅴ.耐高温。
Ⅰ+Ⅱ+Ⅲ
[单选题]() at the end of the distribution pipe ensures that adequate pressure is maintained by the pump.
An alarm
[单选题]The () of the lubricant should be sufficient to hold the film together, but it should allow the lubricant to flow easily.
viscosity
[单选题]The intake valves in a diesel engine are reseated by ().
valve spring