The amount of fuel injection into a diesel engine cylinder by a unit injector, is controlled by（）
1、The rate of fuel injection in a diesel
The rate of fuel injection in a diesel engine cylinder depends primarily on （）.Athe size of the holes in the fuel nozzleBtiming of the pumpCsupply pressure to the pumpDshape of the combustion chamber
2、In a jerk pump, the amount of fuel tha
In a jerk pump, the amount of fuel that will be forced through the spray nozzle on each upward stroke of the plunger depends on （）Athe pu...
3、The amount of fuel injected in a parti
The amount of fuel injected in a particular time, or degree, of crankshaft rotation is termed （）.AmeteringBtimingCrate of injectionDrate of distributio
4、In a unit injector the amount of fuel
In a unit injector the amount of fuel that will be forced through the spray nozzle on each stroke of the plunger depends on （）Athe pump s...
5、Fuel droplets injected into a diesel e
Fuel droplets injected into a diesel engine cylinder must have adequate penetration to （）Aprolong the ignition delay periodBensure the beginning of fuel injectionCthoroughly utilize the air chargeDallow controlled fuel combustio
6、The amount of fuel delivered by a unit
The amount of fuel delivered by a unit injector is controlled by the （）AcamshaftBmain springCrack positionDnozzle orifice size