A centrifugal pump works on 220 v power supply and draws 18.5 ampere by pumping water from 23 kPa at the section to 318 kPa at the discharge, the water flow rate is 40 m3/hr, Calculate the pump head and efficiency.

A centrifugal pump works on 220 v power supply and draws 18.5 ampere by pumping water from 23 kPa at the section to 318 kPa at the discharge, the water flow rate is 40 m3/hr, Calculate the pump head and efficiency.

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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Question

A centrifugal pump works on 220 v
power supply and draws 18.5 ampere by pumping water from
23 kPa at the section to
318 kPa at the discharge, the water flow rate is 40 m3/hr.
Calculate
the pump head and efficiency.

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