The amount of heat rejected is

Question

A heat emgine is supplied with 250 kJ/s of heat at a constant fixed temperature of 227⁰C; the heat is rejected at 27⁰C, the cycle is reversible, then the amount of heat rejected is                         

(a) 250 kJ/s                  (b) 200 kJ/s

(c) 180 kJ/s                  (d) 150 kJ/s