A. the suction stroke
B. the power stroke
C. the exhaust stroke
[单选题]The amount of fuel injected in a particular time, or degree, of crankshaft rotation is termed ().A . meteringB . timingC . rate of injectionD . rate of distributio
Just before _ fuel is injected into the cylinder by the fuel injector.A. TDCB. L
[单选题]F.uel droplets injected into a diesel engine cylinder must have adequate penetration to ____.A.prolong the ignition delay periodB.ensure the beginning of fuel injectionC.thoroughly utilize the air chargeD.allow controlled fuel combustion
[单选题]When fuel is injected late into a diesel engine cylinder_______.A.the exhaust will be clearB.fuel consumption will be lowC.all the fuel will be burned at top dead centerD.fuel consumption will be high
[单选题]Generally speaking,the fuel injected into a marine diesel engine combustion chamber is ignited by().A . spark plugsB . glow plugsC . heat of compressionD . a magneto
[单选题]During the fuel injection period, fuel pressure must exceed cylinder gas pressure to ().A . ensure penetration and distribution of the fuel in the combustion chamberB . ensure the needle valve is flushed clean during each injectionC . prevent combust
Fuel injection begins during the compression stroke, before the piston reaches _
[单选题]The quantity of oil injected into the cylinder can be regulated ().A . by turning the pump plungerB . by vary the fuel valve spring forceC . by no means by controlling the governorD . by enlarging or diminishing the injection hole
A The fuel injection pump B The fuel feed pump C The fuel transfer pump D The fu
[主观题]H.e______ (like) burnt food. It makes him feel sick.