If a diesel engine runs roughly, which

1、If a diesel engine were running at 20%

If a diesel engine were running at 20% overload with a smoky exhaust, you should（）Astop the engine immediately to prevent damageBincrease lube...

2、If a diesel engine starts firing, but

If a diesel engine starts firing, but is unable to come up normal speed, either without load or even under a small load, the cause may be （）Ainsufficient fuel supplyBfaulty governorChigh exhaust back pressureDall of the above may cause this problem

3、If a diesel engine fails to start，one

If a diesel engine fails to start，one of the likely causes is （）Alow compression temperatureBlow ambient air pressureChigh lube oil pump pressureDhigh fuel oil booster pump pressure

4、If a diesel engine has been stopped be

If a diesel engine has been stopped because of piston seizure due to severe overheating, the crankcase（）Ainspection covers should not be opene...

5、If a diesel engines exhaust temperatur

If a diesel engines exhaust temperature is abnormally high, the cause could be（）Atoo light of a loadBinjection timing is too earlyCoverloading of the engineDtoo low of a compression ratio

6、A diesel engine will lose power if fue

A diesel engine will lose power if fuel injection occurs too early because the （）Afuel will not be properly atomized in the cylinderBignition...