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‏1. The impeller in a centrifugal pump has inner diameter as 125 mm and outer diameter...

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Mechanical Engineering

‏1. The impeller in a centrifugal pump has inner diameter as125 mm and outer diameter as 270 mm. The pump runs at 1400 rpm. Thevane angles of impeller at inlet and outlet are 17° and 30°respectively. The water enters the impeller radially and velocityof flow is constant. Determine the work done by impeller per unitweight of water.



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