【名词&注释】
柴油机曲轴(diesel engine crankshaft)、圆柱形(cylindrical)、十字头销(crosshead pin)
[单选题]常规船的轴系包括()。
A. 中间轴和中间轴承
B. 艉轴和艉轴承
C. 艉轴和艉轴承
D. 船轴及其轴承
查看答案&解析
查看所有试题
学习资料:
[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。
A. Ⅱ
B. Ⅱ+Ⅳ
C. Ⅲ+Ⅳ
D. Ⅰ+Ⅴ
[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()。
A. 40°~60°/75%
B. 40°~60°/85%
C. 60°~90°/75%
D. 60°~90°/85%
[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()。
A. 20%
B. 30%
C. 40%
D. 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?
A. less than
B. lighter than
C. larger than
D. smaller tha
[单选题]To check the setting of the overspeed trip on a diesel powered generator, you would use a ().
A. tachometer
B. torsion meter
C. dynamometer
D. pony brake
本文链接:https://www.51bdks.net/show/gg6n7e.html