Most fire extinguishers are comprised of: a cylindrical tank containing an extinguishing agent and a propellant. a release system comprised of a …
By definition, an automatic fire suppression system can operate without human intervention. To do so it must possess a means of detection, actuation and delivery. In many systems, detection is accomplished by mechanical or electrical means. Mechanical detection uses fusible-link or thermo-bulb detectors. These detectors are designed to separate at a specific temperature and release tension on a release mechanism. Electrical detection uses heat detectors equipped wit…
What component of the automatic fire extinguishing …
Quizlet is a lightning fast way to learn vocabulary. what component of the automatic fire extinguishing system (AFES detects smoke or heat
Automatic Fire Sprinklers. One of the most important components of a fire protection system is the automatic fire sprinklers. In general, a sprinkler is activated by the heat put off by the fire once it reaches a certain temperature at the ceiling around that particular head.
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What are the parts of a fire extinguisher?
Most fire extinguishers are comprised of: a cylindrical tank containing an extinguishing agent and a propellant. a release system comprised of a squeeze handle, a valve assembly, and a release lever. a safety mechanism comprised of a tamper seal and a pull pin. a hose for directing the extinguishing agent.
How do fire extinguishers work?
These are collectively known as the fire triangle. As such, fire extinguishers are designed to target one or more of these elements needed to sustain a fire by providing a barrier between the fuel and the oxygen in the surrounding air, or by removing the heat by cooling the fuel. If either of these can be affected or eliminated, the fire goes out.
What is an example of an automatic fire suppression system?
Examples of automatic systems include fire sprinkler system, gaseous fire suppression, and condensed aerosol fire suppression. When fires are extinguished in the early stages loss of life is minimal since 93% of all fire-related deaths occur once the fire has progressed beyond the early stages.
What are the disadvantages of chemical fire extinguishing agents?
Despite their effectiveness, chemical fire extinguishing agents are not without disadvantages. In the early 20th century, carbon tetrachloride was extensively used as a dry cleaning solvent, a refrigerant and as a fire extinguishing agent. In time, it was found carbon tetrachloride could lead to severe health effects.
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Automatic fire extinguishing system Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher