Air enters a 7-cm-diameter and 4-m-long tube at 65C and leaves at 15C. The tube is observed
Question:
Air enters a 7-cm-diameter and 4-m-long tube at 65°C and leaves at 15°C. The tube is observed to be nearly isothermal at 5°C. If the average convection heat transfer coefficient is 20 W/m2 · °C, the rate of heat transfer from the air is
(a) 491 W
(b) 616 W
(c) 810 W
(d) 907 W
(e) 975 W
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Step by Step Answer:
To calculate the rate of heat transfer from the air we can use the principle of energy conservation ...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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