Question

A reversible engine receives heat from a reservoir at 700⁰C and rejects heat at a temperature T₂. A second reversible engine operating on Carnot cycle receives heat rejected by the first engine and rejects heat to a sink at 37⁰C. If work output from each of the engines is equal what is the value of temperature T₂?

         (a) 641.5 K                     (b) 537 K         (c) 516 K         (d) 498 K