APWs are designed for Class A (wood, paper, cloth) fires only. Never use water to extinguish flammable liquid fires. Water is extremely ineffective at extinguishing this type of fire, and you may, in fact, spread the fire if you try to use water on it. Never use water to extinguish an electrical fire.
Which type of fires Cannot be extinguished by water?
Water does not extinguish Class B fires and can spread the flammable liquid, making it worse. Class C fires involve electricity, and they can be started in old wiring, frayed cords, or faulty appliances.
Which type of fires are extinguished by water?
Which Type of Fire Can Be Safely Put Out with Water? – Water can be used to put out Class A fires that involve flammable solids such as wood, paper, or plastic.
Why can’t you extinguish fire with water?
You should never throw water on an electrical fire because water conducts electricity and you could be electrocuted. … If you don’t have a fire extinguisher, you can use baking soda to extinguish an electrical fire. 3.
How fire can be extinguished?
All fires can be extinguished by cooling, smothering, starving or by interrupting the combustion process to extinguish the fire. One of the most common methods of extinguishing a fire is by cooling with water. … When water is applied, it undergoes changes as it absorbs heat from the fire: Its temperature will rise.
What are the 4 types of fires?
Classes of fire
- Class A. A class A fire is burning flammable solids as fuel. …
- Class B. Class B fires are burning flammable liquids. …
- Class C. Class C fires burn flammable gases. …
- Class D. Class D fires are burning flammable metals. …
- Electrical. Any fire involving electrical equipment is classed as an electrical fire. …
- Class F.
What is a Type D fire?
Class D fires involve combustible metals, such as magnesium, titanium, and sodium. Extinguishers with a D rating are designed to extinguish fires involving combustible metals.
How do you extinguish a fire with water?
Put the fire out by pouring water slowly onto the flames. Do not throw or dump the water. This can cause a sudden swell in smoke which can be dangerous. Keep pouring the water until the hissing sound of the embers dies out entirely.
How can a fire be extinguished Class 8?
Fire can be extinguished in 3 ways:
- By removing the fuel.
- By removing the heat.
- By cutting off the air supply to the burning substance.
Will water put out a kerosene fire?
Solid streams of water may spread fire. … Suitable extinguishing media: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.