4.) Consider a large industrial HVAC duct with a diameter of 1 m that flows air at a pressure of 100 kPa and temperature of 300 K. What is the specific flow energy of the air? (A) 86 kJ/kg (B) 0.86 kJ/kg (C) 214 kJ/kg (D) 300 kJ/kg

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Solve Only (4) with correct step.
4.) Consider a large industrial HVAC duct with a diameter of 1 m that flows air at a pressure of 100 kPa
and temperature of 300 K. What is the specific flow energy of the air?
(A) 86 kJ/kg
(B) 0.86 kJ/kg
(C) 214 kJ/kg
(D) 300 kJ/kg
1
5.) Consider R134a enters an adiabatic compressor as a saturated vapor at 200 kPa. The inlet velocity is 10
in/s and through a pipe with an area of 0.1 m². The vapor is compressed to 1000 kPa. What is the mass flow
rate of the exit of the compressor?
(A) 1150 kg/s
(B) 50 kg/s
(C) 1330 kg/s
(D) 10 kg/s
Transcribed Image Text:4.) Consider a large industrial HVAC duct with a diameter of 1 m that flows air at a pressure of 100 kPa and temperature of 300 K. What is the specific flow energy of the air? (A) 86 kJ/kg (B) 0.86 kJ/kg (C) 214 kJ/kg (D) 300 kJ/kg 1 5.) Consider R134a enters an adiabatic compressor as a saturated vapor at 200 kPa. The inlet velocity is 10 in/s and through a pipe with an area of 0.1 m². The vapor is compressed to 1000 kPa. What is the mass flow rate of the exit of the compressor? (A) 1150 kg/s (B) 50 kg/s (C) 1330 kg/s (D) 10 kg/s
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