A．the exhaust will be clear
B．fuel consumption will be low
C．all the fuel will be burned at top dead center
D．fuel consumption will be high
[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]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
[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]On a diesel engine, fuel is delivered into the combustion space by （）.A . a cooling systemB . a lubrication oil systemC . an electric systemD . an injection system
[单选题]In an ordinary diesel engine the fuel injection begins （）A . after TDCB . before TDCC . after BDCD . before BDC
[单选题]If the diesel engine fuel injection timing is changed to delay the start of injection until the pistons are at top dead center, the engine will_________.A．backfire through the air intakesB．develop less power under loadC．have high firing pressuresD．li
[单选题]What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）A . Spark plugB . Heat of compressionC . CarburetorD . Glow ping
[单选题]Proper atomization of fuel in diesel engine combustion chambers will （）.A . affect the injection pressureB . improve combustionC . reduce compression pressureD . decrease power output
[单选题]The rate of fuel injection in a diesel engine cylinder depends primarily on （）.A . the size of the holes in the fuel nozzleB . timing of the pumpC . supply pressure to the pumpD . shape of the combustion chamber
[单选题]Fuel is admitted to a diesel engine cylinder through the （）.A . intake valvesB . carburetorC . exhaust portsD . injector nozzle