An adiabatic heat exchanger is used to heat cold water at 15C entering at a rate of

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An adiabatic heat exchanger is used to heat cold water at 15°C entering at a rate of 5 kg/s by hot water at 90°C entering at a rate of 4 kg/s. If the exit temperature of hot water is 50°C, the exit temperature of cold water is
(a) 42°C
(b) 47°C
(c) 55°C
(d) 78°C
(e) 90°C
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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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