A、the pump supply pressure
B、the slope of the fuel cam
C、how the plunger is rotated
D、the number of sleeve segments engaged with the rack
更多“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 （）”相关的问题
A、incorrect replacement of barrels and plungers of jerk pumps B、overheating of the nozzle orifices C、cracked pump housings D、dirt in the fuel
A、A.assist in a quick cutoff of fuel injection B、B.allow oil backflow from the injector to the helix C、C.reduce fuel oil pressure between injection strokes D、D.meter the quantity of fuel delivered
A、only the replacement of the entire pump would be acceptable B、the injection pump and injection nozzle must be replaced C、either the barrel or plunger must be replaced D、the barrel and plunger must be replaced as a unit
A、No fuel will be delivered B、The maximum effective stroke will be attained C、The fuel delivered to the cylinder will be excessive D、The injection nozzle will overheat and carbonize
A、Condenser circulating water pump B、Feed-water heater drain pump C、Distillate pump D、Air ejector condenser drain pump
A、centerline of the pump and the level of the liquid in the suction well when the source of liquid is below the pump B、centerline of the pump and the suction liquid level when the source of liquid is above the pump C、centerline of the pump and the level of the discharge liquid D、liquid levels of the suction and discharge
A、prevent an internal explosion in the pump when it is overheated B、enable a visual inspection of the pump while it is running C、insure a proper alignment of the pump coupling to the driver D、accommodate for friction between the impeller and the easing
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