A DC driven pump running at 100 rpm delivers 30 litres per second of water at 40°C against a total pumping head of 27 m with a pump efficiency of 60%. Barometer pressure is 758 mmHg. What pump speed and capacity, would result if pump rpm were increase to produce a pumping head of 36 m assuming no change in efficiency. 2.

A DC driven pump running at 100 rpm delivers 30 litres per second of water at 40°C against a total pumping head of 27 m with a pump efficiency of 60%. Barometer pressure is 758 mmHg. What pump speed and capacity, would result if pump rpm were increase to produce a pumping head of 36 m assuming no change in efficiency. 2.

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

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

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