Firefighter Exam 2025 – 400 Free Practice Questions to Pass the Test

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Which best describes "thermal conductivity"?

A measure of a material's ability to conduct electricity

A measure of a material's ability to conduct heat

Thermal conductivity refers to the property of a material that indicates how well it can conduct heat. This characteristic is crucial in various fields, including firefighting, as it affects how heat spreads through materials during a fire. Materials with high thermal conductivity, such as metals, transfer heat quickly, which can influence the spread of fire and the effectiveness of fire suppression strategies. Conversely, materials with low thermal conductivity, like insulation materials, slow down the transfer of heat, playing a key role in preventing heat from passing through walls and ceilings, thereby potentially containing fires within a designated area. Understanding thermal conductivity helps firefighters make informed decisions regarding safety, equipment use, and containment strategies in fire situations.

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A measure of how air thermally behaves

A measure of energy storage capacity

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