10 kg of R-134a fills a piston-cylinder device at a temperature of -24°C and volume of 1.595m³.(a) Determine the initial phase and pressure of the system.(b) The container is now heated until the temperature is 90°C. Determine the final volume when theheating is completed. (Hint: is it a constant-pressure process?)(c) Plot the heating process in P-v diagram with saturation lines and initial/final states.

Answered: Image /qna-images/answer/10248823-0b00-48c7-8444-4bb11ec72e99.jpg

Answered: 10 kg of R-134a fills a piston-cylinder…

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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Question 1 A piston-cylinder assembly with a frictionless piston has a volume of 0.1 m' and initially filled with steam of 0.5 kg at a pressure of 0.4 MPa. There is heat transfer until the temperature reaches 573 K. Find the total heat transfer as well as the work done during the process. Sketch the process on a P-v diagram with respect to the vapour dome.
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Detrermine (a) The state of water at each state of the process(b) The amount of heat that is rejected to the environment in Btu(c) At which part of the process is useful work involved? Calculate the workin Btu? Is this work useful or spent on the system? What is the magnitudeof change in internal energy of the system at this part of the process?(d)Show the process in a p-V diagram

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