Q. A heat engine is supplied with 250 kJ/s of heat at a constant fixed temperature of 227°C. The heat is rejected at 27°C. The cycle is reversible, if the amount of heat rejected is

• (A) 273 kj/s
• (B) 200 kj/s
• (C) 180 kj/s
• (D) 150 kj/s