The fuel injection pumps on a diesel engine are controlled by a linkage system attached to the ()
相似题目
-
Failure of fuel injection is usually due to trouble in the ().
-
A common trouble with the fuel pump plungers or fuel valve spindle is ().
-
If the diesel engine fuel injection timing is changed to delay the start of injection until the pistons are at top dead center, the engine will()
-
Problems with the diesel engine fuel injection pump are usually caused by()
-
The effective pump stroke of an individual port-and-helix fuel injection pump is determined by the ()
-
During the fuel injection period, fuel pressure must exceed cylinder gas pressure to ().
-
In a diesel engine, when the fuel is injected into the cylinder,()
-
If the needle valve in a fuel injection nozzle sticks open ().
-
Movement of the pump control rack in a fuel injection system using individual plunger-type pumps ()
-
The injection may be delayed, ()the pumps are in good order, if the fuel lines to the injection valves have not been cleared of air.
-
In a common rail engine, the fuel is injected into cylinders()
-
Fuels of different qualities may require advancing or retarding the injection timing, in addition to which if the injection timing is advanced when the engine is running at loads below the (), then a saving in fuel can be achieved.
-
The sequence of fuel injection into cylinders is determined by ().
-
Which of the fuel injection systems listed uses a spring loaded differential spray needle valve and individual pump for each cylinder?()
-
Air in the fuel lines to the fuel injection nozzles of a diesel will result in ().
-
Because the timing of injection is crucial, () mounted on the camshaft, which is driven by the crankshaft are used to operate the fuel pumps, one of which is provided for each cylinder.
-
The major cause of fuel pump and injection system problems is ()
-
The fuel injector injects a fine spray of fuel into the hot air and combustion (), producing much high pressure in the gases.
-
If the plunger or barrel of a fuel injection jerk pump becomes damaged,()
-
Early fuel injection timing is indicated by the cylinder pressure being()
-
The purpose of the delivery check valve used in a diesel fuel injection jerk pump is to ().
-
Fuel injection uses the jet pump system and a Woodward type hydraulic () is used to control engine speed.
-
Problems with the diesel engine fuel injection pump are usually caused by_____.
-
The injection pumps are operated by means of ().A.chainsB.fly-wheelC.cams