[单选题]船舶动力装置往往以推进装置的类型进行分类,可分为()。
正确答案 :A
蒸汽动力装置、燃气动力装置、核动力装置
[单选题]偏移反映了两相邻轴轴心线呈()的状态。
正确答案 :A
平行
[单选题]直尺-塞尺法应用较多,且方法方便、简单、灵活,但()。
正确答案 :A
测量精度低
[单选题]鸣音发生在螺旋桨桨叶()以外的随边边缘。
正确答案 :B
0.4R
[单选题]舵杆轴颈表面腐蚀面积>25%总面积时,应进行()。
正确答案 :A
堆焊后光车
[单选题]A separate piston cooling system is used to limit any contamination () piston cooling glands() the piston cooling system only.
正确答案 :C
from;to
[单选题]The design of () is similar to that of the main bearing.
正确答案 :D
the connecting rod large end bearing
[单选题]The function of a lubricating oil is () to lubricate the running surface () to carry away a great deal of heat.
正确答案 :D
not only;but also
[单选题]The main factor which determines the output of each cylinder is ()
正确答案 :B
the cylinder bore
[单选题]On a twin-screw,twin-rudder vessel,the most effective way to turn in your own water,with no way on,is to put().
正确答案 :A
one engine ahead and one engine astern,with full rudder
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