Q9/ A piston-cylinder device contains 0.85 kg of refrigerant- 134a at 10°C. The piston that is free to move has a mass of 12 kg and a diameter of 25 cm. The local atmospheric pressure is 88 kPa. Now, heat is transferred to refrigerant-134a until the temperature is 15 C. Determine (a) the final pressure, (b) the change in the volume of the cylinder, and (c) the change in the enthalpy of the refrigerant-134a.
Q9/ A piston-cylinder device contains 0.85 kg of refrigerant- 134a at 10°C. The piston that is free to move has a mass of 12 kg and a diameter of 25 cm. The local atmospheric pressure is 88 kPa. Now, heat is transferred to refrigerant-134a until the temperature is 15 C. Determine (a) the final pressure, (b) the change in the volume of the cylinder, and (c) the change in the enthalpy of the refrigerant-134a.
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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Q9/ A piston-cylinder device contains 0.85 kg of refrigerant- 134a at 10°C. The piston that is free to move has a mass of 12 kg and a diameter of 25 cm. The local atmospheric pressure is 88 kPa. Now, heat is transferred to refrigerant-134a until the temperature is 15°C. Determine (a) the final pressure, (b) the change in the volume of the cylinder, and (e) the change in the enthalpy of the refrigerant-134a.
Transcribed Image Text:Q9/ A piston-cylinder device contains 0.85 kg of refrigerant- 134a at 10°C. The piston that
is free to move has a mass of 12 kg and a diameter of 25 cm. The local atmospheric pressure
is 88 kPa. Now, heat is transferred to refrigerant-134a until the temperature is 15°C.
Determine (a) the final pressure, (b) the change in the volume of the cylinder, and (c) the
change in the enthalpy of the refrigerant-134a.
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