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（）
A common rail engine has only one or two high pressure pumps in operation at the same（）time, and the injection into each cylinder.
Problems with the diesel engine fuel injection pump are usually caused by（）
A full-flow 50μm filter is installed ,（） so the injection system components on the main engine are safeguarded.
The effective pump stroke of an individual port-and-helix fuel injection pump is determined by the （）
The fuel injection pumps on a diesel engine are controlled by a linkage system attached to the （）
Which of the following pumps are self-priming, and can deal with liquid from a level below the pump? （） (1) reciprocating (2) rotary (3) centrifugal
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.
Hydraulic pumps most commonly used in steering systems are of the （）.
The gear and screw pumps are classified as （）.
An individual injection pump is designed for variable beginning and constant ending of injectionFor diesel engines operating at constant speeds, the start of injection will（）
Which of the fuel injection systems listed uses a spring loaded differential spray needle valve and individual pump for each cylinder?（）
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 （）
Cargo pump relief valves are piped to the（）.
The gear, screw, and vane pumps are all classified as （）.
If the plunger or barrel of a fuel injection jerk pump becomes damaged,（）
Which of the following pumps are self-priming, and can deal with liquid from a level below the pump（） (1) ejector (2) screw (3) centrifugal
Which of the following pumps are self-priming, and can deal with liquid from a level below the pump? （） (1) reciprocating (2) vane (3) gear
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_____.
Dynamic pumps are classified as centrifugal or axial. axial pumps operate on the principle of centrifugal force.（）
