单项选择题

A diesel engine is turned at normal cranking speed, but fails to fireThis can occur from （）

A.low lube oil temperature
B.low starting air temperature
C.air in the fuel injection
D.water in the starting air system

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相关考题

单项选择题

Which of the following statements represents the reason for rolling over a diesel engine with the cylinder indicator cocks open prior?（）

A.To test the starting system
B.To remove air bubbles from the jacket water
C.To ensure that the lube oil system delivers pressure
D.To ensure foreign material (water etc) is not present in the cylinders

单项选择题

In a diesel engine, a positive displacement type blower is usually （）

A.gear drive by the engine
B.driven by an exhaust gas turbine
C.driven by a camshaft
D.driven by separate motor

单项选择题

If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the （）

A.fuel line connections to cylinder injection valves
B.gasket surfaces of the fuel oil filters
C.discharge fitting of the fuel injector pumps
D.suction side of the fuel oil tran