If the P V diagrams of two thermodynamics devices working in a cyclic process are as shown in the figure then P 10 10 SV A B O A

Question

If the P V diagrams of two thermodynamics devices working in a cyclic process are as shown in the figure then P 10 10 SV A B O A is a heat engine B is a heat pump refrigerator O O B is a heat engine A is a heat pump refrigerator both A and B are heat engines both A and B are heat pumps refrigerator V

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