An ideal gas undergoes two processes in a pistoncylinder device as follows: 1-2 Polytropic compression from T1
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1-2 Polytropic compression from T1 and P1 with a polytropic exponent n and a compression ratio of r = V1/V2.
(a) Sketch the processes on a single P-V diagram.
(b) Obtain an expression for the ratio of the compression-to- expansion work as a function of n and r.
(c) Find the value of this ratio for values of n = 1.4 and r = 6.
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Related Book For 
Thermodynamics An Engineering Approach
ISBN: 978-0073398174
8th edition
Authors: Yunus A. Cengel, Michael A. Boles
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