Answer
Warmer
Work Step by Step
Since all the windows and doors are kept closed energy is in the room air added by the electrical work of the fan.
Thermodynamics: An Engineering Approach 8th Edition
by Cengel, Yunus; Boles, Michael
Published by
McGraw-Hill Education
ISBN 10:
0-07339-817-9
ISBN 13:
978-0-07339-817-4
Chapter 2 - Energy, Energy Transfer, and General Energy Analysis - Problems - Page 99: 2-38C
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