Answer
A
Work Step by Step
From table A-6:
Inlet ($P_1=0.2\ MPa, T_1=150°C$): $h_1=2769.1\ kJ/kg$
Outlet ($P_2=2.5\ MPa, T_2=250°C$): $h_2=2880.9\ kJ/kg$
$\dot{W}_s=\dot{m}(h_2-h_1),\ \dot{m}=1.30\ kg/s$
$\dot{W}_s=145.34\ kW$
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 272: 5-192
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