正确答案: D
船轴及其轴承
题目:常规船的轴系包括()。
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学习资料的答案和解析:
[单选题]航行中,柴油机曲轴发生断裂事故,条件许可时可采用()应急措施进行修理。Ⅰ.金属扣合工艺;Ⅱ.焊接;Ⅲ.局部更新;Ⅳ.铆接;Ⅴ.粘接。
Ⅱ
[单选题]换新十字头轴瓦时,十字头销与轴承下瓦在()内的接触面积不少于()。
60°~90°/75%
[单选题]大、中型船舶的轴系各中间轴法兰采用圆柱形螺栓连接时,其中紧配螺栓数应不少于螺栓总数的()。
50%
[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]To check the setting of the overspeed trip on a diesel powered generator, you would use a ().
tachometer