Calculate the NPSH for a pump that receives 300℉ water at the rate of 1250 gpm through a pipe whose ID is 10 in. A suction gage located 20 ft below the pump indicates a pressure of 77 psig, and the barometer indicates a pressure of 20.2 in Hg?

Calculate the NPSH for a pump that receives 300℉ water at the rate of 1250 gpm through a pipe whose ID is 10 in. A suction gage located 20 ft below the pump indicates a pressure of 77 psig, and the barometer indicates a pressure of 20.2 in Hg?

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter11: Calibrating Instruments

Section: Chapter Questions

Problem 7RQ: Accuracy of a thermometer is more important in the ______temperature ranges.

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1. Calculate the NPSH for a pump that receives 300℉ water at the rate of 1250 gpm through a pipe whose ID is 10 in. A suction gage located 20 ft below the pump indicates a pressure of 77 psig, and the barometer indicates a pressure of 20.2 in Hg?

2. A centrifugal pump receives 75,000 lb. per hour of 90 ℉ water when the pump centerline is 9 ft. above the water level in a vessel that has a pressure of 4.5 psi. Calculate the water horsepower, neglecting friction and velocity heads, if the discharge gage reads 125 ft of water?

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