A、the pump cylinder
B、the pump cam
C、the pump plunger
D、the pump miler
更多“The pump has a constant stroke and the amount of fuel delivered is regulated by rotating （） which has a specially arranged helical groove cut into it.”相关的问题
A、centrifugal pump is cheaper than reciprocating pump B、the size of centrifugal pump with same capacity is smaller than that of reciprocating pump C、centrifugal pump makes maintenance easier than reciprocating pump does D、all of the above
A、A.an engine-driven；as well B、B.an engine-driven；has an independent pump C、C.an independent；as well D、D.an independent；has an engine-driven pump
A、Open the bilge pump for inspection B、Remove each of the manifold valves C、Remove only the manifold valve to the affected bilge-well D、Attempt to pump out another bilge well to determine if the entire system is affected
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、have a greater head capacity B、operate with increased impeller efficiency C、discharge through the suction side of the pump casing D、require more power to run the shaft
A、can’t be controlled very precisely B、can’t be controlled as flexibly as the separate pump system C、can be controlled as flexibly as the separate pump system D、can be controlled more precisely and flexibly
A、one size larger than the pump discharge nozzle B、the same size as the pump discharge nozzle C、one size smaller than the pump discharge nozzle D、installed with a short radius elbow at the pump
A、one size smaller than the pump suction nozzle B、the same size as the pump suction nozzle C、one size larger than the pump suction nozzle D、installed with a short radius elbow at the pump
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
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