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in Physics by (75.1k points)

Two Carrnot engines A and B are operated in series. The first one, A, receives heat at T1(= 600K) and rejects to a reservoir at temperature T2 . The second engine B receives heat rejected by the first engine and, in turn, rejects to a heat reservoir at  T3(= 400K). Calculate the temperature T2 if the work outputs of the two engines are equal: 

(1) 400K 

(2) 600K 

(3) 500K 

(4) 300K 

1 Answer

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Best answer

The correct option (3) 500K   

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