Answer
B
Work Step by Step
$[\dot{m}c_p(T_2-T_1)]_c=[\dot{m}c_p(T_1-T_2)]_h$
$c_{p,c}=c_{p,h},\ \dot{m}_c=5\ kg/s,\ \dot{m}_h=4\ kg/s,\ T_{2,h}=50°C,\ T_{1,c}=15°C,\ T_{1,h}=90°C$
$T_{2,c}=47°C$
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 5 - Mass and Energy Analysis of Control Volumes - Problems - Page 273: 5-196
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