The oil pressure and flow from each bearings can be checked when .

A.the lubricating pumps are stopped and the access doors are opened

B.the lubricating pumps are running and the access doors are opened

C.the engine is running and the access doors are closed

D.the engine is stopped and the access doors are closed

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

The removal of _____ from lubricating oil will reduce engine wear and possible breakdowns.

答案解析
____ can not cause oil flow from water outlet of self－cleaning separator.A.Oil temperature

答案解析
Under the pressure and stress from their careers and children, adult children tend to ____

答案解析
The ability of an oil to separate cleanly from an oil and water mixture is referred to as

答案解析
People have proved______to be true that the heat we get from coal and oil comes from the s

答案解析
To maintain the down stream pressure within defined limits over a range of flow and despit

答案解析
With time and pressure from above the many small

答案解析