Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN: 9781305084766
Author: Saeed Moaveni
Publisher: Cengage Learning
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Chapter 9, Problem 46P
To determine

Find the average air speed in the exit duct and express it in ft/min and m/s.

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A rectangular duct with dimensions of 12 in. × 14 in. delivers conditioned air with a density of 1.2 kg/m3 to a room at a rate of 1000 ft3/min. What is the mass-flow rate of air in lbm/h? What is the average air speed in the duct? Express your answer in m/s and ft/s.
A barometer is used to measure the height of a building by recording reading at the bottom and at the top of the building. The height of the building is to be determined in (m) . The density of air is given to be as 1.18 kg/m3. The density of mercury is 13,600 kg/m3. Atmospheric pressures at the top and at the bottom of the building are p1= 73 cm and p2 = 75.395 cm , respectively
Calculate the mass flow rate of air in g/min.
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Engineering Fundamentals: An Introduction to Engi...
Civil Engineering
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Cengage Learning