Water is pumped from a lake to a storage tank 25 m above at a rate of 70 L's while consuming 22.4 kW of electric power. Disregarding any frictional losses in the pipes and any changes in cinetic energy, determine the overall efficiency of the pump-motor unit. Storage tank 25 m Pump

Water is pumped from a lake to a storage tank 25 m above at a rate of 70 L's while consuming 22.4 kW of electric power. Disregarding any frictional losses in the pipes and any changes in cinetic energy, determine the overall efficiency of the pump-motor unit. Storage tank 25 m Pump

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

Chapter44: Geothermal Heat Pumps

Section: Chapter Questions

Problem 1RQ: Geothermal heat pumps, or water-source heat pumps, are classified as either _____loop or _____loop...

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Mechanisms of heat transfer

Heat transfer is an essential discipline in thermal engineering that deals with the transfer, conversion, usability, and creation of heat or thermal energy. Transfer of heat occurs through various mechanisms like conduction, convection, radiation, and change of phases. All these mechanisms have distinct characteristics, but these mechanisms can simultaneously occur in an identical system.

Question

Water is pumped from a lake to a storage tank 25 m above at a rate of 70 L's while consuming 22.4 kW of electric power. Disregarding any frictional losses in the pipes and any changes in
kinetic energy, determine the overall efficiency of the pump-motor unit.
Storage tank
25 m
Pump

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