Consider the duct system shown in the following figure. 7" x 10" 7" x 10" 30 ft/s 30 ft/s 16" x 12" Air flows through two 7 in. x 10 in. ducts that merge into a 16 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)? 14.58 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ft² What is the volume flow rate of air in each of the 7" x 10" ducts (in ft³/s)? 29.2 x Your response differs from the correct answer by more than 100%. ft³/s What is the volume flow rate of air in the 16" x 12" duct in ft³/s? 43.74 Your response differs from the correct answer by more than 10%. Double check your calculations. ft³/s What is the volume flow rate of air in the 16" x 12" duct in ft³/min? 1749.99 ft³/min What is the volume flow rate of air in the 16" x 12" duct in m³/s? 0.83 m³/s What is the cross-sectional area (in ft2) of flow of the 16" x 12" duct? 40 x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ft² What is the average speed (in ft/s) of air in the 16" x 12" duct? 21.87 ft/s
Consider the duct system shown in the following figure. 7" x 10" 7" x 10" 30 ft/s 30 ft/s 16" x 12" Air flows through two 7 in. x 10 in. ducts that merge into a 16 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)? 14.58 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ft² What is the volume flow rate of air in each of the 7" x 10" ducts (in ft³/s)? 29.2 x Your response differs from the correct answer by more than 100%. ft³/s What is the volume flow rate of air in the 16" x 12" duct in ft³/s? 43.74 Your response differs from the correct answer by more than 10%. Double check your calculations. ft³/s What is the volume flow rate of air in the 16" x 12" duct in ft³/min? 1749.99 ft³/min What is the volume flow rate of air in the 16" x 12" duct in m³/s? 0.83 m³/s What is the cross-sectional area (in ft2) of flow of the 16" x 12" duct? 40 x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ft² What is the average speed (in ft/s) of air in the 16" x 12" duct? 21.87 ft/s
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.4: Polyhedrons And Spheres
Problem 23E: The surface of a soccer ball is composed of 12 regular pentagons and 20 regular hexagons. With each...
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Transcribed Image Text:Consider the duct system shown in the following figure.
7" x 10"
7" x 10"
30 ft/s
30 ft/s
16" x 12"
Air flows through two 7 in. x 10 in. ducts that merge into a 16 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)?
14.58
X
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ft²
What is the volume flow rate of air in each of the 7" x 10" ducts (in ft³/s)?
29.2
x
Your response differs from the correct answer by more than 100%. ft³/s
What is the volume flow rate of air in the 16" x 12" duct in ft³/s?
43.74
Your response differs from the correct answer by more than 10%. Double check your calculations. ft³/s
What is the volume flow rate of air in the 16" x 12" duct in ft³/min?
1749.99
ft³/min
What is the volume flow rate of air in the 16" x 12" duct in m³/s?
0.83
m³/s
What is the cross-sectional area (in ft2) of flow of the 16" x 12" duct?
40
x
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ft²
What is the average speed (in ft/s) of air in the 16" x 12" duct?
21.87
ft/s
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