正确答案: A
气缸盖、气缸套的0.7MPa水压试验
题目:船上吊缸检修中一般不需进行()。
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学习资料的答案和解析:
[单选题]在进行船舶动力装置设计时,为了找出合理利用余热的途径,必须考虑()。Ⅰ.整个船舶的能量平衡;Ⅱ.各个耗能设备的热平衡
Ⅰ十Ⅱ
[单选题]液压拉伸器的液压系统中应使用纯净的()。
液压油
[单选题]液压拉伸器的液系统中应使用纯净的()作为工作用油。Ⅰ.液压油;Ⅱ.润滑油;Ⅲ.高级润滑油;Ⅳ.气缸油;Ⅴ.透平油。
Ⅰ+Ⅴ
[单选题]对于活塞杆下端是方形法兰的机型如B&W,吊缸时,整个填料函必须随同活塞杆一起吊出去,操作时轮机员只要在()内拆掉填料函的()固定螺栓。
曲轴箱/内圈
[单选题]航行时,水润滑艉轴承填料密封装置应将压盖螺栓(),停航时将压盖螺栓()。
旋松/上紧
[单选题]铁梨木舵承发生()时应更换。
过度磨损
[单选题]The external circumference of a pair of main bearing shells is slightly () that of the bore of the housing which receives them Whats the meaning of “that” in the sentence above?
larger than
[单选题]The main bearing shells are made of steel with a lining of bearing metal which may be white metal, copper-lead or aluminum-tin alloy What is the meaning of “which” in the sentence above?()
bearing metal
[单选题]A crankshaft whose center of gravity coincides with its center line is said to be ().
statically balanced