A 40-cm-long, 0.4-cm-diameter electric resistance wire submerged in water is used to determine the convection heat transfer
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A 40-cm-long, 0.4-cm-diameter electric resistance wire submerged in water is used to determine the convection heat transfer coefficient in water during boiling at 1 atm pressure. The surface temperature of the wire is measured to be 114°C when a wattmeter indicates the electric power consumption to be 7.6 kW. The heat transfer coefficient is
(a) 108 kW/m2 · K
(b) 13.3 kW/m2 · K
(c) 68.1 kW/m2 · K
(d) 0.76 kW/m2 · K
(e) 256 kW/m2 · K
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The heat transfer coefficient is calculated using the following equation h P A Ts Tf wher...View the full answer
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Related Book For 
Heat And Mass Transfer Fundamentals And Applications
ISBN: 9780073398181
5th Edition
Authors: Yunus Cengel, Afshin Ghajar
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