As shown in the figure, air with a volumetric flow rate of 14.000 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. 17.1467 Determine the mass flow rate of air entering the air-handling unit, in lb/s. Your answer is incorrect. 72-73-1₁-45³1 D₁-D₂-26 V₂-V₂ lb/s. (AV)₂-(AV) - 1 6002.61 Duct system A-unding unit Determine the volumetric flow rate in each 26-in. duct, in ft³/min. ! ft³/min. -50. 1- A = P₂ = A = A=1 m 7₁=80°F (AV), Attempts: 1 of 4 used

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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As shown in the figure, air with a volumetric flow rate of 14,000 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.
17.1467
Your answer is incorrect.
42-73-1₁-45³1
D₁-D₂-26 mm
V₂ - V₁
Determine the mass flow rate of air entering the air-handling unit, in lb/s.
lb/s.
(AV)₂-(AV) - 1 6002.61
D-50
Determine the volumetric flow rate in each 26-in. duct, in ft³/min
Duct
system
A-unding unit
! ft³/min.
1+ M = P₂ = P = = 1 m
₁80°F
(AV)
Attempts: 1 of 4 used
Transcribed Image Text:As shown in the figure, air with a volumetric flow rate of 14,000 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. 17.1467 Your answer is incorrect. 42-73-1₁-45³1 D₁-D₂-26 mm V₂ - V₁ Determine the mass flow rate of air entering the air-handling unit, in lb/s. lb/s. (AV)₂-(AV) - 1 6002.61 D-50 Determine the volumetric flow rate in each 26-in. duct, in ft³/min Duct system A-unding unit ! ft³/min. 1+ M = P₂ = P = = 1 m ₁80°F (AV) Attempts: 1 of 4 used
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