Include a free body diagram. A pump draws water from a sump through a vertical 6′′ pipe. The pump has a horizontal discharge pipe 4′′ in diameter that is 10.6 ft above the water level in the sump. While pumping 1.25 cfs, gages near the pump at entrance and discharge read —4.6 psi and +25.6 psi, respectively. The discharge gage is 3.0 ft above the suction gage. Compute the horsepower output of the pump and the head lost in the 6′′ suction pipe.
Include a free body diagram.
A pump draws water from a sump through a vertical 6′′ pipe. The pump has a horizontal discharge pipe 4′′ in diameter that is 10.6 ft above the water level in the sump. While pumping 1.25 cfs, gages near the pump at entrance and discharge read —4.6 psi and +25.6 psi, respectively. The discharge gage is 3.0 ft above the suction gage. Compute the horsepower output of the pump and the head lost in the 6′′ suction pipe.
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A pump draws water from a sump through a vertical 6" pipe. The pump has a horizontal discharge pipe 4" in diameter that is 10.6 ft above the water level in the sump. While pumping 1.25 cfs, gases near the pump at the entrance and discharge read -4.6 psi and +25.6 psi, respectively. The discharge gage is 3.0 ft above the suction gage. Compute the horsepower output of the pump and the head lost in the 6" suction pipe.
Answer: 10.7 hp, 2.4 ft
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