A rectangular duct with dimensions of 1 m × 110 cm delivers conditioned air with a density of 1.2 kg⁄m3 to a room at a rate of 45 m3 /min. What is the mass-flow rate of air? What is the average air speed in the duct?

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
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Chapter9: Mass And Mass-related Variables In Engineering
Section: Chapter Questions
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A rectangular duct with dimensions of 1 m × 110 cm delivers conditioned air with a density of 1.2 kg⁄m3 to a room at a rate of 45 m3 /min. What is the mass-flow rate of air? What is the average air speed in the duct?

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