A centrifugal pump running at 800 Rpm is working against a total head of 20.2
m. the external diameter of the impeller is 480mm and outlet width 60mm. If
the valve angle at outlet is 40 and manometric efficiency is 70% determine
a) Absolute velocity of water leaving
b) Flow velocity at outlet
c) Angle made by the absolute velocity with the direction of motion at outlet.
d) Rate of flow through the pump.
e) Torque delivered by the impeller
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rate of flow through the pump
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