Fire extinguishers with a Class A rating are effective against fires involving paper, wood, textiles, and plastics. The primary chemical used to fight these fires is monoammonium phosphate, because of its ability to smother fires in these types of materials.
Can a fire extinguisher put out any fire?
Class A extinguishers can put out fires from “ordinary combustibles” such as wood, plastic or paper. Class B can put out burning liquids such as gasoline or grease. Class C can put out electrical fires. Extinguishers marked A, B and C can put out all types.
What size fire can a fire extinguisher put out?
Carbon Dioxide (CO2) extinguishers are most effective on Class B and C (liquids and electrical) fires. Since the gas disperses quickly, these extinguishers are only effective from 3 to 8 feet. The carbon dioxide is stored as a compressed liquid in the extinguisher; as it expands, it cools the surrounding air.
What is the best defense against fire?
As always, the best defense against a fire is to be prepared. Take a moment to look at your fire extinguisher.
Can you use water fire extinguisher on flammable liquids?
Water extinguishers are mostly used for class A fire risk. In most premises, it is necessary to have either foam or water extinguishers. … It should not be used for kitchen fires, fires caused by flammable gas and liquids as well as fires that involve electrical equipment.
What is a Type D fire?
Class D fires only involving combustible metals – magnesium, sodium (spills and in depth), potassium, sodium-potassium alloys uranium, and powdered aluminum.
What is the most appropriate type of fire extinguisher in your house kitchen?
Therefore, for the safety of those in the kitchen as well as the patrons, it is vital that the correct fire extinguishers (as well as suppression systems) are in place. A Class K fire extinguisher can be used to extinguish fires that are fueled by flammable liquids unique to cooking, like cooking oils and greases.
Does water make fire worse?
Water Makes Grease Fires Worse
Never try to extinguish a grease fire with water. Water can cause burning grease to splash, which can make the fire spread. Similarly, it is also dangerous to move a pan or pot of burning oil.