As shown in the figure, air with a volumetric flow rate of 17,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-In-diameter ducts and one 50-In. duct. The velocity In each 26-In. duct is 16 ft/s. Assume steady state operation and Ideal gas behavior for the air. Step 1 Your answer is correct. Hint Step 2 Determine the mass flow rate of air entering the air-handling unit, In lb/s, the volumetric flow rate In each 26-In. duct, In ft3/min, and the velocity in the 50-In. duct. In ft/s. 20.82 of 72-73-1₁-45°F D₁-D₁-26 in V₂=V₂ Determine the mass flow rate of air entering the air-handling unit, In lb/s. Ib/s. (AV)₂-(AV)-i --D₂-50 mm. Determine the volumetric flow rate In each 26-In. duct. In ft³/min. Duct system Air-handling unit ft3/min. P-P-P-P-1 atm 7₁-80 (AV), Attempts: 1 of 4 used

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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C4 1.

As shown in the figure, air with a volumetric flow rate of 17,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling
unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-In-diameter ducts and one 50-In. duct. The
velocity in each 26-In. duct is 16 ft/s. Assume steady state operation and Ideal gas behavior for the air.
Step 1
m₂
Your answer is correct.
Determine the mass flow rate of air entering the air-handling unit, In lb/s, the volumetric flow rate In each 26-In. duct, In ft³/min, and
the velocity in the 50-In. duct. In ft/s.
Hint
Step 2
20.82
72-73-1₁-45°F
D₁-D₁-26 in.
V₂=V₂
Determine the mass flow rate of air entering the air-handling unit, In lb/s.
lb/s.
(AV)₂-(AV) 3-i
-D₂-50 in.
Determine the volumetric flow rate in each 26-In. duct, In ft³/min.
Duct
system
Air-handling unit
ft3/min.
-P-P-P-P-1 atm
7₁-80
(AV),
Attempts: 1 of 4 used
Transcribed Image Text:As shown in the figure, air with a volumetric flow rate of 17,000 ft/min enters an air-handling unit at 80°F, 1 atm. The air-handling unit delivers air at 45°F, 1 atm to a duct system with three branches consisting of two 26-In-diameter ducts and one 50-In. duct. The velocity in each 26-In. duct is 16 ft/s. Assume steady state operation and Ideal gas behavior for the air. Step 1 m₂ Your answer is correct. Determine the mass flow rate of air entering the air-handling unit, In lb/s, the volumetric flow rate In each 26-In. duct, In ft³/min, and the velocity in the 50-In. duct. In ft/s. Hint Step 2 20.82 72-73-1₁-45°F D₁-D₁-26 in. V₂=V₂ Determine the mass flow rate of air entering the air-handling unit, In lb/s. lb/s. (AV)₂-(AV) 3-i -D₂-50 in. Determine the volumetric flow rate in each 26-In. duct, In ft³/min. Duct system Air-handling unit ft3/min. -P-P-P-P-1 atm 7₁-80 (AV), Attempts: 1 of 4 used
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