单项选择题
The center line condition of the transmission shaft can be checked by（）
A.the border flange’s excursion and flection
B.the both end shafts line’s accordance
C.the border flange’s flection and the both end shafts line’s accordance
D.the border flange’s accordance and both end shafts flection degree
点击查看答案&解析
相关考题
-
单项选择题
In the navigation（） cause the shafting over load easily.
A.the stopping engine suddenly
B.the sailing astern and changing direction suddenly
C.the sailing from the shallow water area to the deep water area
D.the ship’s trim too much -
单项选择题
When the vessel on the full speed ahead, if full astern immediately （） the main engine start astern and fuel injection.
A.after the thrust power is zero
B.after the torsion is zero
C.surpass the critical point on the water turbo phase
D.after the speed is zero -
单项选择题
According to the Robinson Graph, suddenly astern maneuvering of main engine during navigating will cause（）
A.rapid reduction of ship’s friction force
B.shaft system over mechanical load
C.sharp growth of the torque of diesel engine
D.propeller torque change along J=0 curve
