A Carnot engine takes of heat from a reservoir at and exhausts it to a sink at

PHYSICS · Subjective · CBSE · Physics · Thermodynamics · Thermodynamics

Problem

A Carnot engine takes

1000\,\text{kcal}

of heat from a reservoir at

827^\circ\text{C}

and exhausts it to a sink at

27^\circ\text{C}

. How much heat is rejected to the sink? What is the efficiency of the engine?