question_answer

A heat engine in a thermodynamic cycle draws 500 kJ of heat energy from a source at 1000 K per cycle and rejects certain amount of heat energy at 300 K per cycle. Then, which one of the following is correct?

A) The amount of heat energy rejected must be 150 kJ

B) The amount of heat energy rejected must be less than 150 kJ

C) (e) The amount of heat energy rejected must be greater than 150 kJ

D) It is not possible to make any statement regarding the amount of heat energy rejected per cycle from the data given