单项选择题
In the shafting management （） should be paid more attention. Ⅰ.f the while metal tailshaft bearing is dripping oil Ⅱ.f some area become blue during the running Ⅲ.he deformation of crankshaft
A.Ⅰ B.Ⅱ C.Ⅲ D.Ⅱ+Ⅲ
The bearing of tailshaft sealing equipment, which adopt...
单项选择题The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is（）
A.the rotate speed fluctuation B.the ventilation tube clogged C.the main engine accelerate so fast D.stormy waves
The tailshaft sealing arrangement found a little lube o...
单项选择题The tailshaft sealing arrangement found a little lube oil leaky and caused a lot of seawater into the bearing, the step should be taken as a makeshift is（）
A.dropping lube oil for lubrication, reducing the pollution to the sea B.setting a temporary gravity oil tank and enhanced the position properly C.lubricating with the used lube oil D.lubricating with the fresh water and navigation in a lower speed
When the vessel shafting are installed, the slightly in...
单项选择题When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified by（）
A.adjusting the position of the intermediate bearing B.changing the position of the main engine installation C.adjusting the center line of the propeller D.changing the position of the thrust block
