The Label. Class A – Used with ordinary combustibles, ex – wood. Dry Chemicals. Mono ammonium phosphate – NH6PO4 – used in Class A, B and C fire extinguishers. Wet Chemicals. Halotron. Carbon Dioxide. Metal Powders.
Agents which are effective at fighting Class A fires include water, chemical foam, and dry chemicals often contained in class A or multi-purpose fire …
What is a Class A Fire Extinguisher Used For?
First, it is best to know what a Class A fire is to understand better what the Class A fire extinguisher is intended to do. Class A fires are ones …
People Also Ask what are class a fire extinguishers made of
What is a Class A fire extinguisher?
The easiest way to remember a Class A material is that is leaves an ash when it burns. It is these types of fires that Class A fire extinguishers are effective for putting out. As noted above, there are many different types of extinguishers on the market.
What type of fire extinguisher should I use?
It is vital that you use a fire extinguisher classified for the type of fire you are dealing with. Using a wrong fire extinguisher at best could prove ineffective, and at worst, could spread the fire or hazard (such as if a water extinguisher is applied to an oil fire or electrocute you if it is used on an electrical fire).
What is the difference between heat and chemical fire extinguishers?
Heat is removed from the equation when flames are doused with water, whereas chemical foaming agents cut off the fire’s oxygen supply. Dry chemicals and halotron stop the chemical reaction needed to convert fuel into a usable, gaseous form to feed the fire.
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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TYPES OF FIRE AND FIRE EXTINGUISHERS | WHICH FIRE EXTINGUISHER TO BE USED ON WHICH CLASSES OF FIRE Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher