A、discharges into a gradually widening channel
B、has stationary diffuser vanes
C、produces no kinetic energy
D、All of the above are true
更多“The volute pump is one in which the impeller （）.”相关的问题
A、A.reduce radial thrust to the impeller B、B.double the liquid velocity through the pump when compared to a single volute C、C.reduce hydraulic end thrust D、D.provide the effect of multi-staging
A、pump must always be primed B、volute must impart a radial and rotary motion of the water suction side C、connection must guide the liquid to the lantern rings D、stuffing box should not be allowed any water leakage
A、positive head B、negative suction head C、mechanical seal D、vent valve attached to the casing at the top of the volute
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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