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See "What is causing the depletion of the ozone layer?" in the "Related questions" section below.

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What are fire extinguishers be used for?

FIRE extinguishers are used to put out fire.


What do fire extinguishers have inside?

A cold smoke. A really cold chemical.


What types of chemical pollutantsare responsible for ozone depletion. where do these chemicals come from?

Chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and halons are the main chemical pollutants responsible for ozone depletion. These chemicals come from sources like aerosol sprays, refrigerants, solvents, and fire extinguishers, which release them into the atmosphere when used or disposed of.


How does fire get extinguished through a dry chemical used in fire extinguishers?

It suffoctaes the fire by depriving the fire of air which it needs to burn.


How does a fire extinguisher stop a combustion reaction?

A fire extinguisher stops a combustion reaction by removing one or more of the essential components of fire: heat, fuel, or oxygen. Different types of extinguishers work through various mechanisms; for example, water extinguishers cool the fire by absorbing heat, while foam extinguishers smother the flames, cutting off the oxygen supply. Dry chemical extinguishers interrupt the chemical reaction itself, effectively disrupting the combustion process. By targeting these elements, fire extinguishers effectively halt the fire's ability to sustain itself.


What are the contents of a multipurpose fire extinguisher?

Multi-purpose fire extinguishers, like ABC, are typically dry chemical.


What are chemical fire extinguishers design to do?

Chemical fire extinguishers are designed to suppress or extinguish fires by using various chemical agents that interrupt the combustion process. They can be effective against different types of fires, depending on their specific chemical composition, which may include dry chemicals, foam, or wet agents. These extinguishers work by cooling the flames, suffocating the fire, or chemically disrupting the reaction that sustains combustion. Proper selection and use of the appropriate type of chemical extinguisher are crucial for effective fire control.


Multipurpose dry chemical extinguishers are effective on all classes except?

D and K fire


What is the difference between dry chemical and hcfc 123 fire extinguisher?

Dry chemical fire extinguishers use a powder substance, such as sodium bicarbonate or monoammonium phosphate, to smother the fire and interrupt the chemical reaction. HCFC 123 fire extinguishers contain a clean agent called HFC-123, which is a halocarbon compound that extinguishes fires by removing heat and interrupting the chemical reaction. The main difference is in the extinguishing agent used, with dry chemical extinguishers being more versatile but leaving residue, while HCFC 123 extinguishers are cleaner and more suitable for sensitive equipment.


How do fire extinguishers affect the ozone layer?

No, fire works donot harm ozone layer.The substances that are causing ozone layer depletion are freons, CFC's etc.. These are called as ozone-depleting substances (ODS).


What are different types of fire equipment for different fires?

Different types of fire equipment are designed for various fire classes. For instance, water extinguishers are effective for ordinary combustibles (Class A fires), while foam extinguishers can address flammable liquids (Class B fires). For electrical fires (Class C), carbon dioxide (CO2) extinguishers are suitable, and dry chemical extinguishers can tackle multiple fire classes, including A, B, and C. Additionally, specialized equipment like Class D extinguishers is used for metal fires, and wet chemical extinguishers are ideal for cooking oil fires (Class K).


Is nitrogen in fire extinguishers?

Nitrogen can be used in fire extinguishers as gas propellant.