A、fuel oil pressure
B、a cam operated follower
C、a spring-loaded pressure plate
D、timing gears keyed to the crankshaft
更多“Most fuel injection nozzles are opened by （）.”相关的问题
A、controlling the amount of fuel injected into the cylinders B、varying the speed of the turbocharger C、adjusting the compression ratio D、changing the timing of the fuel injection camshaft
A、late fuel injection B、early fuel injection C、high exhaust temperature from that cylinder D、decreased effective stroke from that injector
A、create turbulence in the combustion chamber B、aid in completing cylinder scavenging C、inject fuel at the proper time D、minimize fuel penetration into the cylinder
A、quantity of fuel injected is decreased B、quantity of fuel injected will always be increased C、start of injection is advanced D、duration of injection will always be greater
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、deliver proper fuel quantity to the injection nozzle B、provide rapid fuel injection cutoff C、control fuel quantity entering the pump body D、control fuel pressure delivered to the combustion chamber
A、Quantity of fuel injected tends to be decreased B、Quantity of fuel injected will always be increased C、Start of injection tends to be advanced D、Duration of injection will always greater
A、erosion and cratering of the nozzle orifices B、fuel leakage into the nozzle drain line C、fuel leakage before and after injection D、insufficient fuel delivery though that nozzle
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