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7" x 10" 7" x 10" 30 ft/s 30 ft/s 14" x 12" Ⓡ Air flows through two 7 in. x 10 in. ducts that merge into a 14 in. x 12 in. duct. The average speed of the air in each of the 7" x 10" ducts is 30 ft/s. What is the cross-sectional area of flow of the 7" x 10" duct (in ft²)?

7" x 10" 7" x 10" 30 ft/s 30 ft/s 14" x 12" Ⓡ Air flows through two 7 in. x 10 in. ducts that merge into a 14 in. x 12 in. duct. The average speed of the air in each of the 7" x 10" ducts is 30 ft/s. What is the cross-sectional area of flow of the 7" x 10" duct (in ft²)?

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:Saeed Moaveni
Chapter9: Mass And Mass-related Variables In Engineering
Section: Chapter Questions
Problem 37P
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Consider the duct system shown in the following figure. 7" x 10" 7" x 10" 30 ft/s 30 ft/s 14" x 12" Air flows through two 7 in. x 10 in. ducts that merge into a 14 in. x 12 in. duct. The average speed of the air in each of the 7" x 10" ducts is 30 ft/s. What is the cross-sectional area of flow of the 7" x 10" duct (in ft²)?
Transcribed Image Text:Consider the duct system shown in the following figure. 7" x 10" 7" x 10" 30 ft/s 30 ft/s 14" x 12" Air flows through two 7 in. x 10 in. ducts that merge into a 14 in. x 12 in. duct. The average speed of the air in each of the 7" x 10" ducts is 30 ft/s. What is the cross-sectional area of flow of the 7" x 10" duct (in ft²)?
What is the volume flow rate of air in each of the 7" x 10" ducts (in ft³/s)? ft³/s What is the volume flow rate of air in the 14" x 12" duct in ft³/s? ft³/s What is the volume flow rate of air in the 14" x 12" duct in ft³/min? ft³/min What is the volume flow rate of air in the 14" x 12" duct in m³/s? m³/s What is the cross-sectional area (in ft²) of flow of the 14" x 12" duct? ft² What is the average speed (in ft/s) of air in the 14" x 12" duct? ft/s
Transcribed Image Text:What is the volume flow rate of air in each of the 7" x 10" ducts (in ft³/s)? ft³/s What is the volume flow rate of air in the 14" x 12" duct in ft³/s? ft³/s What is the volume flow rate of air in the 14" x 12" duct in ft³/min? ft³/min What is the volume flow rate of air in the 14" x 12" duct in m³/s? m³/s What is the cross-sectional area (in ft²) of flow of the 14" x 12" duct? ft² What is the average speed (in ft/s) of air in the 14" x 12" duct? ft/s
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