Which of the following best describes sensible heat in a refrigeration context?

In the context of refrigeration, sensible heat refers specifically to the amount of heat that causes a change in temperature of a substance without resulting in a phase change. When sensible heat is added to a refrigerant, for instance, it increases the refrigerant's temperature, and when it is removed, it decreases the temperature without changing the state from liquid to gas or vice versa.

This understanding is crucial for effective refrigeration system operation, as managing sensible heat properly enables the system to maintain desired temperature levels efficiently.

Other options provide different concepts related to heat transfer. For instance, heat that does not affect temperature describes latent heat, which involves heat transfer related to phase changes. Freezing point is related to the phase change of a substance, thus not entirely describing sensible heat. Heat lost during the evaporation process pertains to latent heat as well, which again focuses on the heat exchange during phase transitions rather than temperature changes.