5. A farmer is to pump water at 70°F from a river to a water storage tank nearby using a 125-ft-long, 5- in-diameter pla

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5 A Farmer Is To Pump Water At 70 F From A River To A Water Storage Tank Nearby Using A 125 Ft Long 5 In Diameter Pla 1 (28.69 KiB) Viewed 35 times

5. A farmer is to pump water at 70°F from a river to a water storage tank nearby using a 125-ft-long, 5- in-diameter plastic pipe with three flanged 90° smooth bends. The water velocity near the river surface is 6 ft/s, and the pipe inlet is placed in the river normal to the flow direction of water to take advantage of the dynamic pressure. The elevation difference between the river and the free surface of the tank is 12 ft. For a flow rate of 1.5 ft3/s and an overall pump efficiency of 70 percent, determine the required electric power input to the pump.