is expar a. Then the gas i 350°C ally, the gas und
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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![(Q1) A piston-cylinder device contains 3.8 kg of hydrogen at 1250 kPa
and 350°C is expanded according to the relation PV1.28 = C to 130
kPa. Then the gas is compressed isothermally to the initial pressure.
Finally, the gas undergoes a constant pressure process to return to the
initial state. Determine (a) the temperature after the polytropic
expansion, (b) the work done during each process, (c) the net work done
of the cycle and (d) the net amount of the heat transfer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6dc36caf-d813-45da-afbf-3fa8f187aec0%2F3538d856-ad99-40df-833e-50449019736a%2Ffj6j3pr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(Q1) A piston-cylinder device contains 3.8 kg of hydrogen at 1250 kPa
and 350°C is expanded according to the relation PV1.28 = C to 130
kPa. Then the gas is compressed isothermally to the initial pressure.
Finally, the gas undergoes a constant pressure process to return to the
initial state. Determine (a) the temperature after the polytropic
expansion, (b) the work done during each process, (c) the net work done
of the cycle and (d) the net amount of the heat transfer.
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