Fundamentals of Engineering Thermodynamics 8th Edition

Published by Wiley
ISBN 10: 1118412931
ISBN 13: 978-1-11841-293-0

Chapter 7 - Exercises: Things Engineers Think About: 7

Answer

Electricity is transferred through power cables from power station to households. Electric energy is lost in form of heat during the transmission due to electric resistance present in power cables. This heat warms the surrounding air of cable.No useful work associated with this heat. Hence, exergy is destroyed and lost in electrical transmission and distribution.

Work Step by Step

Electricity is transferred through power cables from power station to households. Electric energy is lost in form of heat during the transmission due to electric resistance present in power cables. This heat warms the surrounding air of cable.No useful work associated with this heat. Hence, exergy is destroyed and lost in electrical transmission and distribution.
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