Consider the duct system shown in the following figure.7" x 10"7" x 10"30 ft/s30 ft/s14" 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/sWhat is the volume flow rate of air in the 14" x 12" duct in ft³/s?ft³/sWhat is the volume flow rate of air in the 14" x 12" duct in ft³/min?ft³/minWhat is the volume flow rate of air in the 14" x 12" duct in m³/s?m³/sWhat is the cross-sectional area (in ft²) of flow of the 14" x 12" duct?ft²What is the average speed (in ft/s) of air in the 14" x 12" duct?ft/s

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)?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?

Question

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

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