A、changes the position of the fuel inlet ports
B、changes the length of the pump stroke
C、varies the quantity of fuel delivered
D、varies the compression of the delivery valve spring
更多“Movement of the pump control rack in a fuel injection system using individual plunger-type pumps （）”相关的问题
A、The high discharge pressure of the rotary pumps permits a larger volume of fluid per unit time than the reciprocating pump B、Rotary pumps are capable of pumping more fluid than reciprocating pumps of the same weight C、Rotary pumps occupy only one-half the space of reciprocating pumps D、Rotary pumps eliminate discharge slippage of the pumped liquid, while this does not hold true for a reciprocating pump
A、Horizontal movement of the water toward the land after high tide B、Horizontal movement of the water toward the land after low tide C、Horizontal movement of the water away from the land following high tide D、Horizontal movement of the water away from the land following low tide
A、centerline of the pump and the level of the liquid in the suction well when the source of liquid is below the pump B、centerline of the pump and the suction liquid level when the source of liquid is above the pump C、centerline of the pump and the level of the discharge liquid D、liquid levels of the suction and discharge
A、set for maximum torque B、on the purge and vent stroke C、in the neutral position D、rotating backwards
A、The six-way valve opens B、The steering service pump motor is stopped C、The follow-up gear takes the pump off stroke D、The cylinder relief valves bypass oil to the suction side the pump
A、vertical movement of the water B、horizontal movement of the water C、density changes in the water D、None of the above
A、varying the pump discharge pressure B、varying the pump return pressure C、rotation of the pump plunger D、rotation of the pump barrel
A、directly increase the pressure of the liquid being pumped B、directly increase the velocity of the liquid being pumped C、convert the potential energy of the liquid to kinetic energy D、separate air from the liquid being pumped
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