A Carnot's engine used first an ideal monoatomic gas then an ideal dia – McqOptions

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1.	A Carnot's engine used first an ideal monoatomic gas then an ideal diatomic gas. If the source and sink temperature are \[{{411}^{o}}C\] and \[{{69}^{o}}C\] respectively and the engine extracts 1000 J of heat in each cycle, then area enclosed by the PV diagram is [Pb. PET 2002]
A.	100 J
B.	300 J
C.	500 J
D.	700 J
Answer» D. 700 J

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