Water is to be heated from equipped with an electric outer surface of the heate transferred to the water in power rating of the resista O 30kW

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Water is to be heated from 8°C to 80°C as it flows through a 3-cm-internal diameter 7-m-long tube. The tube is
equipped with an electric resistance heater that provides uniform heating throughout the surface of the tube. The
outer surface of the heater is well insulated, so that in steady operation all the heat
is
transferred to the water in the tube. If the system is to provide hot water at a rate
power rating of the resistance heater.
generated in the heater
of 10 L/min, determine
the
O 30kW
40kW
Transcribed Image Text:Water is to be heated from 8°C to 80°C as it flows through a 3-cm-internal diameter 7-m-long tube. The tube is equipped with an electric resistance heater that provides uniform heating throughout the surface of the tube. The outer surface of the heater is well insulated, so that in steady operation all the heat is transferred to the water in the tube. If the system is to provide hot water at a rate power rating of the resistance heater. generated in the heater of 10 L/min, determine the O 30kW 40kW
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