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  2. Heat detector - Wikipedia

    en.wikipedia.org/wiki/Heat_detector

    Rate-of-Rise (ROR) heat detectors operate on a rapid rise in element temperature of 6.7 to 8.3°C (12.1 to 14.9°F) increase per minute, irrespective of the starting temperature. This type of heat detector can operate at a lower temperature fire condition than would be possible if the threshold were fixed.

  3. Mirage - Wikipedia

    en.wikipedia.org/wiki/Mirage

    Heat haze, also called heat shimmer, refers to the inferior mirage observed when viewing objects through a mass of heated air. Common instances when heat haze occurs include images of objects viewed across asphalt concrete (also known as tarmac ), roads and over masonry rooftops on hot days, above and behind fire (as in burning candles , patio ...

  4. Fire control - Wikipedia

    en.wikipedia.org/wiki/Fire_control

    Fire control is the practice of reducing the heat output of a fire, reducing the area over which the fire exists, or suppressing or extinguishing the fire by depriving it of fuel, oxygen, or heat (see fire triangle). Fire prevention and control is the prevention, detection, and extinguishment of fires, including such secondary activities as ...

  5. How To Clean Your Dryer Vent And Avoid This Household Fire Hazard

    www.aol.com/news/clean-dryer-vent-household-fire...

    About 2,900 fires caused by clothes dryers are reported each year, many of which are preventable.

  6. Heat lightning - Wikipedia

    en.wikipedia.org/wiki/Heat_lightning

    Heat lightning (not to be confused with dry thunderstorms, which are also often called dry lightning) is a misnomer [1] used for the faint flashes of lightning on the horizon or other clouds from distant thunderstorms that do not appear to have accompanying sounds of thunder. Heat lightning in Tokyo

  7. Fire triangle - Wikipedia

    en.wikipedia.org/wiki/Fire_triangle

    The fire triangle or combustion triangle is a simple model for understanding the necessary ingredients for most fires. [1] The triangle illustrates the three elements a fire needs to ignite: heat, fuel, and an oxidizing agent (usually oxygen). [2] A fire naturally occurs when the elements are present and combined in the right mixture. [3]

  8. Flame detector - Wikipedia

    en.wikipedia.org/wiki/Flame_detector

    A flame detector is a sensor designed to detect and respond to the presence of a flame or fire, allowing flame detection.Responses to a detected flame depend on the installation, but can include sounding an alarm, deactivating a fuel line (such as a propane or a natural gas line), and activating a fire suppression system.

  9. List of fire-retardant materials - Wikipedia

    en.wikipedia.org/wiki/List_of_fire-retardant...

    Fire-retardant materials should not be confused with fire-resistant materials. A fire resistant material is one which is designed to resist burning and withstand heat. An example of a fire-resistant material is one which is used in bunker gear worn by firefighters to protect them from the flames of a burning building.

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