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. Q9/ A piston-cylinder device contains 0.85 kg of refrigerant- 134a at 10°C. The piston thatis free to move has a mass of 12 kg and a diameter of 25 cm. The local atmospheric pressureis 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) thechange in the enthalpy of the refrigerant-134a.

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Answered: Q9/ A piston-cylinder device contains…

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.

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