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16. Two Carnot engines A and B are operated in succession. The first one, A receives heat from a source at

T1=800K and rejects to sink at T2K . The second engine B receives heat rejected by the first engine and rejects to another sink at T3=300K.  If the work outputs of two engines are equal, then the value of T2 is

(a)  100K                                  (b)  300K

(c)   550K                                  (d)  700K

Answer-c

(13)

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