In a diesel engine, fuel must be broken up into a spray of fine droplets to ().
- Aincrease its quality
- Bobtain complete burning
- Creduce its weight
- Dall of the above
In a diesel engine, fuel must be broken up into a spray of fine droplets to ().
1、A leaking diesel engine fuel injector
A leaking diesel engine fuel injector will cause()Aprolonged maintenance intervalsBimproved atomizationCgreater fuel economyDincomplete combustio
2、Late fuel injection in a diesel engine
Late fuel injection in a diesel engine is indicated by low firing pressure with()Ahigh exhaust temperatureBlow exhaust temperatureCfuel knock in each cylinderDmechanical knock in each cylinder
3、In an ordinary diesel engine the fuel
In an ordinary diesel engine the fuel injection begins ()Aafter TDCBbefore TDCCafter BDCDbefore BDC
4、Before being shut down, a diesel engin
Before being shut down, a diesel engine should idle a few minutes in orderto ()Aprevent governor surging at shutdownBmake sure the fuel nozzles are flushed cleanCprevent pressure buildup in the fuel linesDprevent damage from localized overheating
5、In a diesel engine, when the fuel is i
In a diesel engine, when the fuel is injected into the cylinder,()Athe piston is just coming upward from the bottom dead centerBthe piston h...
6、Permitting a diesel engine fuel oil da
Permitting a diesel engine fuel oil day tank to run dry can cause ()Aoverheated injection pumpsBwater condensation in the cylindersCfuel dilution of the lube oilDair in the fuel system