Answer
D
Work Step by Step
From the definition:
$X=m\left[c_p(T_1-T_0)-T_0c_p\ln{\dfrac{T_1}{T_0}}\right]$
Given $m=12\ kg,\ c_p=2.8\ kJ/kg.K,\ T_1=263\ K,\ T_0=293\ K$
$X=55.4\ kJ$
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 8 - Exergy - Problems - Page 483: 8-141
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