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Calculating the rate of flow of a pump, pressure at pump discharge, energy necessary by the pump, and size of the pump motor

A centrifugal pump is used to pump Vodka (S.G. 0.8) at a rate of 20 gallons per minute to the top of a 30 foot tall tank. The owner wants to employ the similar pump to pump orange juice (S.G. 1.1). describe how this change in fluid will affect: a) the rate of flow, b) pressure at the pump discharge, c) the energy required by the pump, and d) the size of the pump motor. (Neglect differences in viscosity and friction losses).

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