HFCs extinguish fires in a manner similar to CO 2 or N 2–by absorbing heat and reducing the concentration of oxygen. Even so, several different companies are marketing such HFCs as CHF 3 , C 2 HF …
It removes oxygen from the fire, effectively suffocating it of oxygen. It is perfect for use on Class B fires that involve flammable liquids and on electrical fires. Wet Chemical Fire Extinguisher is a specialized type of extinguisher focused on Class K fires, those involving cooking media such as animal and vegetable fats or oils. This extinguisher contains a solution …
What Are The 5 Classes of Fire Extinguishers?
Fire extinguishers put out fires by removing one or more of these parts. A fire can only start with all three of these parts present: Oxygen; Fuel; Heat; A fourth part, a chemical reaction, is also necessary between them to ignite a fire. The fire triangle (or fire tetrahedron) has the chemical reaction as the center component.
When a Class B fire sparks, extinguish it by smothering the flames. Oppressing the fire eliminates the oxygen feeding the flames, and, thereby, deadens the fire. Dry chemicals, like ammonium phosphate or pressurized carbon dioxide are effective means to extinguish a Class B fire. Never attempt to extinguish a Class B fire with water.
People Also Ask what extinguishes alchemical fires
What is a chemical fire extinguisher?
Wet Chemical Fire Extinguisher is a specialized type of extinguisher focused on Class K fires, those involving cooking media such as animal and vegetable fats or oils. This extinguisher contains a solution made up of potassium that that attacks the fires on two accounts. First, the liquid mist spray acts to cool the fire.
What chemicals are used to extinguish a Class B fire?
Dry chemicals, like ammonium phosphate or pressurized carbon dioxide are effective means to extinguish a Class B fire. Never attempt to extinguish a Class B fire with water.
How does a fire extinguisher work?
Fire extinguishers contain chemical agents that absorb the flames’ heat, cuts oxygen to the fire and effectively smothers the fire. Homes and restaurants should be equipped with fire extinguishers; and, all those working in the kitchen should learn how to use the fire extinguisher.
What is an example of a multi-purpose fire extinguisher?
For example, A-B-C fire extinguishers can be used for all three of these types of fires. They can also cover other combinations of fire types, such as A-B or B-C, depending on the extinguisher. Carbon dioxide is used in multi-purpose fire extinguishers.
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The Smokin' Science of Fire Extinguishers Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher