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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. 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 ft/min, and the velocity in the 50-In. duct. In ft/s. m₁ = Hint Step 2 Determine the mass flow rate of air entering the air-handling unit, In lb/s. ✓ Your answer is correct. 20.82 (AV)₂-(AV)- 3539.5 Hint Step 3 42-7-1₁-4549 5-0₁-26 in V₂ =V₂ lb/s Determine the volumetric flow rate In each 26-In. duct. In ft3/min. V₂- Determine the velocity in the 50-In. duct, In ft/s. ft/s -D₂-50m. A-lingui ft³/min. ¹-8-8-8-A-1am T₁-80T (AV), Attempts: 1 of 4 used Attempts: 1 of 4 used

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. 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 ft/min, and the velocity in the 50-In. duct. In ft/s. m₁ = Hint Step 2 Determine the mass flow rate of air entering the air-handling unit, In lb/s. ✓ Your answer is correct. 20.82 (AV)₂-(AV)- 3539.5 Hint Step 3 42-7-1₁-4549 5-0₁-26 in V₂ =V₂ lb/s Determine the volumetric flow rate In each 26-In. duct. In ft3/min. V₂- Determine the velocity in the 50-In. duct, In ft/s. ft/s -D₂-50m. A-lingui ft³/min. ¹-8-8-8-A-1am T₁-80T (AV), Attempts: 1 of 4 used Attempts: 1 of 4 used

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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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. m₁ = Hint 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. Step 2 Determine the mass flow rate of alr entering the air-handling unit, In lb/s. ✓ Your answer is correct. 20.82 (AV)₂-(AV)- 3539.5 Hint Step 3 --₁-45% 0₁-0₁-26 in V₂=V₂ Determine the volumetric flow rate In each 26-in. duct. In ft3/min. lb/s. V₂-i ++0.-50m. #³/min. Determine the velocity in the 50-In. duct, In ft/s. Duct systam Andling unit 2 HA-RA-A-1am T-BOTT (AV), Attempts: 1 of 4 used 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 ✓ Your answer is correct. m₁ = Hint 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. Step 2 Determine the mass flow rate of alr entering the air-handling unit, In lb/s. ✓ Your answer is correct. 20.82 (AV)₂-(AV)- 3539.5 Hint Step 3 --₁-45% 0₁-0₁-26 in V₂=V₂ Determine the volumetric flow rate In each 26-in. duct. In ft3/min. lb/s. V₂-i ++0.-50m. #³/min. Determine the velocity in the 50-In. duct, In ft/s. Duct systam Andling unit 2 HA-RA-A-1am T-BOTT (AV), Attempts: 1 of 4 used Attempts: 1 of 4 used
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