單項選擇題The over-speed trip installed on most diesel engine will stop the engine by shutting off the ()

A.water supply
B.fuel oil supply
C.lube oil supply
D.exhaust damper


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題The blower type crankcase ventilation system ()

A.removes combustible gases in the crankcase
B.prevents the formation of combustible gases in the crankcase
C.cools lubricating oil
D.improves cold weather starting

2.單項選擇題One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to ()

A.increase scavenge air pressure
B.reduce fuel booster pump pressure
C.adjust the fuel rack
D.retard fuel injector timing

3.單項選擇題What is the best way of stopping an over-speeding diesel engine?()

A.Disconnect the battery cables from the starting motor
B.Drain the hydraulic fluid from the governor sump
C.Block the flow of cooling air to the radiator
D.Secure the fuel supply and block the air intake

4.單項選擇題The efficient burning of fuel in a diesel engine is dependent upon the ()

A.temperature of compression
B.atomization of the fuel
C.penetration of the fuel
D.all of the above

5.單項選擇題Persistent knocking of one cylinder of a diesel engine ceases when the fuel supply to that cylinder is securedThis problem may be a result of ()

A.low loading of that cylinder
B.faulty combustion in that cylinder
C.sluggish piston ring action
D.excessive piston cooling