The P-V diagram shows seven curved paths (connected by vertical paths) – McqOptions

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1.	The P-V diagram shows seven curved paths (connected by vertical paths) that can be followed by a gas. Which two of them should be parts of a closed cycle if the net work done by the gas is to be at its maximum value [AMU (Engg.) 2000]
A.	ac
B.	cg
C.	af
D.	cd
Answer» D. cd

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