A fan is to accelerate quiescent air to a velocity to 12 m/s at a rate of

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A fan is to accelerate quiescent air to a velocity to 12 m/s at a rate of 3 m3/min if the density of air is 1.15 kg/m3, the minimum power that must be supplied to the fan is
(a) 248 W
(b) 72 W
(c) 497 W
(d) 216 W
(e) 162 W

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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 09, 2010 01:57 AM

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A fan is to accelerate quiescent air to a velocity to 12 m/s at a rate of

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