The loss of heat from a substance will cause its temperature to drop. What is the term for the heat removed from the substance?

Prepare for the 5th Class Power Engineering Exam with comprehensive flashcards and multiple-choice questions. Each question includes hints and explanations. Get exam-ready!

The correct term for the heat removed from a substance, which results in a temperature drop, is known as sensible heat. Sensible heat is the heat energy that causes a change in temperature of a substance without changing its phase. When heat is removed from a substance—such as cooling water or air—the temperature decreases, which is a direct result of the loss of sensible heat.

In contrast, latent heat refers to the heat absorbed or released by a substance during a phase change, such as when water evaporates or condenses. This means that even when heat is added or removed, the temperature of the substance might not change until the phase change is complete.

Specific heat is a property of a material that defines how much heat is required to change its temperature by a certain amount, but it does not refer directly to the heat that is removed from the substance. Finally, conductive heat relates to the transfer of heat through materials due to a temperature difference, not the actual heat quantity being removed from a substance causing its temperature drop. Thus, the appropriate term for the heat removed that results in a temperature change is sensible heat.

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