This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Pv diagrams of Carnot engine cycle.svg en Pressure volume diagrams of Carnot cycle configured as an engine The shape of the curve is different when the working fluid is perfect gas top or liquid bottom On temperatureentropy diagram both these curves would be identical own Olivier Cleynen other versions cczero Pressurevolume diagrams