A pump is moving soybean oil through a 1-in. (nominal) pipe. The 110-volt motor is using 285 watts. Assuming an over-all pump and motor efficiency of 65 per cent, what is the pumping rate in gallons per minute if the suction and discharge pressures are, respectively, -5 and 23 lb per sq in.?

Refrigeration and Air Conditioning Technology (MindTap Course List)
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ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems
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Problem 22RQ: Variable refrigerant flow systems sense the ______and _____of the refrigerant to determine the...
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8. A pump is moving soybean oil through a l-in. (nominal) pipe. The
110-volt motor is using 285 watts. Assuming an over-all pump and
motor efficiency of 65 per cent, what is the pumping rate in gallons per
minute if the suction and discharge pressures are, respectively, -5 and
23 lb per sq in.?
9. Carbon dioxide is metered into an air conduit which is 12 sq ft in
Transcribed Image Text:8. A pump is moving soybean oil through a l-in. (nominal) pipe. The 110-volt motor is using 285 watts. Assuming an over-all pump and motor efficiency of 65 per cent, what is the pumping rate in gallons per minute if the suction and discharge pressures are, respectively, -5 and 23 lb per sq in.? 9. Carbon dioxide is metered into an air conduit which is 12 sq ft in
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