A 2-kW electric resistance heater submerged in 5-kg water is turned on and kept on for 10

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A 2-kW electric resistance heater submerged in 5-kg water is turned on and kept on for 10 min. During the process, 300 kJ of heat is lost from the water. The temperature rise of water is
(a) 0.4°C
(d) 71.8°C
(b) 43.1°C
(e) 180.0°C
(c) 57.4°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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Question Posted: Feb 12, 2010 12:55 AM

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A 2-kW electric resistance heater submerged in 5-kg water is turned on and kept on for 10

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Thermodynamics An Engineering Approach

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