Two Carnot engines A and B are operated in succession. The first one, – McqOptions

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1.	Two Carnot engines A and B are operated in succession. The first one, A receives heat from a source at \[{{T}_{1}}=800k\] and rejects to sink at \[{{T}_{2}}k.\]. The second engine B receives heat rejected by the first engine and rejects to another sink at \[{{T}_{3}}=300k.\] If the work outputs of two engines are equal, then the value of \[{{T}_{2}}\] is
A.	100K
B.	300K
C.	150°C
D.	700K
Answer» D. 700K

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