Air whose density is 0.078 lbm/ft3 enters the duct of an air-conditioning system at a volume flow rate of 450 ft3 /min. If the diameter of the duct is 10 in, determine the velocity of the air at the duct inlet and the mass flow rate of air.

# Air whose density is 0.078 lbm/ft3 enters the duct of an

ISBN: 9780073398174
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## Solution for problem 6P Chapter 5

Thermodynamics: An Engineering Approach | 8th Edition

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Air whose density is 0.078 lbm/ft3 enters the duct of an