A diesel engine exposed to widely varying ambient temperatures should use to a lubricating oil with ()
- Aa high viscosity index
- Ba low viscosity index
- Cneutralize acids
- Dresist oxidation at high temperature
A diesel engine exposed to widely varying ambient temperatures should use to a lubricating oil with ()
1、A diesel engine fails to start because
A diesel engine fails to start because of water in the fuelIn order to start the engine, you should ()?Aturn engine with jacking gearBdrain...
2、An auxiliary diesel engine may fail to
An auxiliary diesel engine may fail to start due to()Alow exhaust back pressureBhigh lube oil temperatureCinsufficient cranking speedDexcessive fuel atomizatio
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、Failure to open the diesel engine test
Failure to open the diesel engine test cocks after a long period of shutdown, prior to starting may result in ()Aan air bound fuel systemBdamage to cylinder heads and pistonsCexcessive fuel injectionDexcessive air valve lift
5、A diesel engine may fail to start due
A diesel engine may fail to start due to ()Alow air charge temperatureBhigh cranking speedCexcessive fuel dilution of lube oilDhigh compression pressure
6、With regards to a diesel engine crank
With regards to a diesel engine crankcase explosion, the most violent is the()(1) primary explosion(2) secondary explosionA(1) onlyB(2) onlyCboth (1) and (2)Dneither (1) or (2)