The injector pump is operated by a cam which drives （） up and down.

[单选题]The fuel injector pump is operated by （） which drives the plunger up and down.A . a separate motorB . a camC . a generatorD . a chai

[单选题]The plunger in the fuel injector pump, usually operated by a （）, is driven up and down when working.A . crankshaftB . camshaftC . piston rodD . rack and pinio

[单选题]The( )in the injector will lift at a pre-set pressure which ensures that the fuelwill atomize once it enters the cylinder.A．needle valveB．nozzlesC．pistonD．spring

[单选题]The （） in the injector will lift at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.A . needle valveB . nozzlesC . pistonD . spring

[单选题]The needle valve in the injector （） at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.A . will liftB . will be liftedC . will closeD . will be closed

[单选题]Which of the following is operated from the main engine room console on an automated vessel?A．Fire pump and lube oil pumpB．Lube oil pump and distilling plantC．Distilling plant and shaft alley doorD．Shaft alley door and fixed CO2 release

[单选题]Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.A . increasing the volume of intake airB . shutting off the fuel supplyC . increasing the engine back pressureD . over-speeding the engine

[单选题]Fuel pump index is （）.A . the viscosity indexB . the fuel oil contentsC . the starting speedD . the reading at the rack

[单选题]Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily byA．heat conduction into the injected fuel oilB．heat conduction into the water jacket wallC．water circulation through passages in the holderD．fuel oil circu

[单选题]Fix the fuel injector into （） after repair.A . the cylinder linerB . the cylinder coverC . the cylinder jacketD . the pisto