Firefighter Practice Exam 2025 - Free Firefighter Practice Questions and Study Guide

Question: 1 / 400

Which statement is accurate regarding conduction?

Conduction occurs in all materials

Conduction refers to the transfer of heat through a material without the movement of the material itself. This process occurs in all materials to varying degrees, although the efficiency of heat transfer can differ significantly between solids, liquids, and gases.

Solids generally conduct heat more effectively than liquids and gases due to the closeness of their molecular structure, which allows for more efficient energy transfer. However, it is important to note that conduction does indeed occur in liquids and gases, though not as effectively as in solids.

Understanding that conduction is a fundamental method of heat transfer applicable to all states of matter helps clarify why this statement is accurate. In contrast, the other options either misrepresent the nature of liquids, the occurrence of convection, or the classification of fluids, making them misleading in the context of heat transfer.

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Liquids are good conductors

Convection of heated air is rare

All fluids are liquids

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