AFFF (aqueous film-forming foam) and FFFP (film-forming fluoroprotein) fire extinguishers are rated for use on both Class A and Class B fires. As the name implies, they discharge a foam material rather than a liquid or powder. They …
Fire Extinguisher Classes, Explained | SecurityNerd
Class D fire extinguishers are used on combustible metals like magnesium and titanium. These fires require an extinguishing agent that will not react with the burning metal. All Class D fire extinguishers use a dry powder agent to smother the fire and absorb heat, suppressing the fire. Class D fire extinguishers
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What type of fire extinguisher is used for Class A fire?
Foam: This extinguisher helps cool and suffocate fires and is used for larger class A fires. Multipurpose Dry Chemical: Multipurpose dry chemical fire extinguishers are effective for most fire types, including class A, B, and C fires. The agent disrupts the fire triangle (fuel, oxygen, heat).
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.
How does a Class K fire extinguisher work?
Class K fire extinguishers are well designed to put out fires starting from greases, cooking fats, and kitchen oils. This makes them well suited for use in restaurants and home kitchens. They put out fires by a process called saponification.
Which fire extinguishers are the most dangerous to use?
As we’ve already covered, water-based extinguishers (apart from mist) are dangerous to use. Carbon Dioxide: Co2 extinguishers work well for Class C fires as they smother the fire and deprive it of oxygen. Dry Chemical: The regular dry chemical extinguisher is well-rated for class C and B fires.
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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