The fuel pump is actuated by means of a cam fitted to the____ ()

A The fuel injection pump B The fuel feed pump C The fuel transfer pump D The fu

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

[单选题]A．n increase in the fuel injection pump discharge pressure can be caused by a/an _______.A．leaking delivery valveB．excessive bearing end playC．plugged injector spray holeD．increased plunger stroke

[单选题]The major cause of fuel pump and injection system problems is _____.A．improper adjustmentsB．contaminated fuelC．kinked fuel linesD．excessive engine vibration

[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]A common trouble with the fuel pump plunger or fuel valve spindle is （）.A . water leakageB . steam leakageC . oil leakageD . air leakage

[单选题]The injector pump is operated by a cam which drives （） up and down.A . the needle valveB . the plungerC . the pistonD . the cylinder

[单选题]Fuel injection uses the jet pump system and a Woodward type hydraulic （） is used to control engine speed.A . controllerB . governorC . instrumentD . apparatu