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2 kg of air as an ideal gas undergoes a Carnot refrigeration cycle as shown in the figure. The isothermal expansion occurs at 300K and isothermal compression occurs at 600K. The heat transfer to air during isothermal expansion is 125 kJ. Pressure at the end of isothermal expansion is 75 kPa. a. Find pressure at the beginning of the isothermal expansion. Show all work and explain your numbers. b. Sketch this cycle on the T-s diagram. Show on the diagram the system states (1,2,3, and 4), the cycle direction, and the cycle work (not its amount)

2 kg of air as an ideal gas undergoes a Carnot refrigeration cycle as shown in the figure. The isothermal expansion occurs at 300K and isothermal compression occurs at 600K. The heat transfer to air during isothermal expansion is 125 kJ. Pressure at the end of isothermal expansion is 75 kPa. a. Find pressure at the beginning of the isothermal expansion. Show all work and explain your numbers. b. Sketch this cycle on the T-s diagram. Show on the diagram the system states (1,2,3, and 4), the cycle direction, and the cycle work (not its amount)

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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TH 3 kg of air as an ideal gas undergoes a Carnot refrigeration cycle as shown The isothermal expansion occurs at 300K and isothermal compression occurs at 600K. The heat transfer to air during isothermal expansion is 125 kJ. Pressure at the end of figure. isothermal expansion is 75 kPa. a. Find pressure at the beginning of the isothermal expansion. Show all work and explain your numbers. b. Sketch this cycle on the T-s diagram. Show on the diagram the system states (1,2,3, and 4), the cycle direction, and the cycle work (not its amount)
Transcribed Image Text:TH 3 kg of air as an ideal gas undergoes a Carnot refrigeration cycle as shown The isothermal expansion occurs at 300K and isothermal compression occurs at 600K. The heat transfer to air during isothermal expansion is 125 kJ. Pressure at the end of figure. isothermal expansion is 75 kPa. a. Find pressure at the beginning of the isothermal expansion. Show all work and explain your numbers. b. Sketch this cycle on the T-s diagram. Show on the diagram the system states (1,2,3, and 4), the cycle direction, and the cycle work (not its amount)
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