Question: The working substance of a cyclic heat engine is 0.75 kg of an ideal gas. The cycle consists of two isobaric processes and two isometric

The working substance of a cyclic heat engine is 0.75 kg of an ideal gas. The cycle consists of two isobaric processes and two isometric processes, as shown in Fig. 12.26. What would be the efficiency of a Carnot engine operating with the same high-temperature and low-temperature reservoirs?

2 250 150 0 1.75 2.25 Volume lx 10-2 m3)

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