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
[单选题]On most modern diesel engines, the main and connecting rod bearings receive their lubricating oil by ().A . banjo feedB . splash feedC . gravity feedD . pressure feed
[单选题]_____ the engines, the diesel engine is ____ used engine on boardA.Between / more commonlyB.Among / the most commonlyC.Between / not more commonlyD.Among / not the most commonly
[单选题]D.iesel engines are started by supplying into the cylinders in the appropriate sequence for the required direction.A.cooling waterB.compressing airC.compressed airD.cylinder oil
[单选题]() the engines, the diesel engine is() used engine on board.A . Between;more commonlyB . Among;the most commonlyC . Between;not more commonlyD . Among;not the most commonly
[单选题]Diesel engines are started by supplying () into the cylinders in the appropriate sequence for the required direction.A . cooling waterB . compressing airC . compressed airD . cylinder oil
[单选题]Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine ()A . camshaft beatingsB . main bearingsC . piston crownsD . cylinder wall
[单选题]In diesel engines designed with a crosshead, the motion of the piston rod can be described as ().A . reciprocating at the piston pin, rotary at the crank pinB . reciprocating at the crank pin, rotary at the piston pinC . straight reciprocationD . str
[单选题]All diesel engines are classified as().A . four cycleB . compression ignitionC . vacuum ignitionD . external combustio
[单选题]The crankcase of many diesel engines are kept under a slight vacuum by the ().A . scavenging action of the pistonB . piston type vacuum pump taking suction off a differential manometerC . gland exhausting manometerD . crankcase exhaust fa
[单选题]The most common contaminate of governor hydraulic fluid is ().A . moistureB . dirtC . acidD . air