Relation for cyclic process of two reversible paths - Thermodynamics

Q.  Two reversible paths P1 and P2 are represented in the figure and the process represented is a cyclic process. Which will be the correct relation for the cyclic process shown?

- Published on 19 Aug 15
Property-of-entropy-cyclicprocess.png


a. Cyclic ∫P1 P2 (dQ/T) = 0
b. 1∫2 P1 (dQ/T) = 1∫ 2 P2 (dQ/T)
c. 1∫ 2 P1 (dQ/T) = 2∫ 1 P2 (dQ/T)
d. all of the above

ANSWER: all of the above

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