If the theoretical efficiency of a Carnot engine is to be 100%, the heat sink must be

Question

Quizplus · Accepted Answer

For a Carnot engine to have 100% efficiency, the temperature of the heat sink must be at absolute zero (0 Kelvin), as efficiency is calculated using the formula 1 - (Tc/Th), where Tc is the temperature of the cold reservoir (heat sink) and Th is the temperature of the hot reservoir. If Tc is 0, the efficiency becomes 1 or 100%.

If the Theoretical Efficiency of a Carnot Engine Is to Be