A . Between;more commonly
B . Among;the most commonly
C . Between;not more commonly
D . Among;not the most commonly
[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]Connecting rods in a diesel engine are used to connect the ().A . engine to the bedB . rocker arm to the camshaftC . crankshaft to the gear trainD . piston to the crankshaft
[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]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]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]D.iesel engines driving alternators operating in parallel must maintain a set frequency regardless of load changes. The governor characteristic used to accomplish this is known as _______.A.actuationB.sensitivityC.compensationD.promptness