单项选择题

If a single cylinder relief valve on a main propulsion diesel engine begins to lift, but it is not possible to secure the engine, which of the following actions should be taken?（）

A.Increase the cooling water flow to the engine
B.Secure or reduce fuel to that cylinder
C.Screw down on the pressure adjusting spring to decrease to decrease popping pressure
D.Readjust the injection timing

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

Which of the following statements concerning fuel atomization in a diesel engine cylinder is correct?（）

A.The greater the atomization, the greater the penetration
B.The greater the atomization, the less the penetration
C.The degree of atomization has nothing to do with the degree of penetration
D.Atomization and penetration are one and the same

单项选择题

If a tow-stroke/diesel engine is over-speeding due to leakage of lube oil into the cylinders, what should you do to stop the engine?（）

A.Move the fuel control mechanism to the no fuel position
B.Block the fuel supply by closing the master fuel valve
C.Shut off the fuel supply and block the flow of intake air
D.Relieve all pressure in the fuel system

单项选择题

The breaking-up of fuel as it enters a diesel engine cylinder is known as（）

A.airification
B.vaporization
C.atomization
D.gasification