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What class fire is a coal fire?
A coal fire is considered a Class A fire, which involves ordinary combustible materials like wood, paper, cloth, and plastics. Class A fires can be extinguished using water, foam, or dry chemical extinguishers.
What are fire extinguishers be used for?
FIRE extinguishers are used to put out fire.
What class of fire involves the burning of wood and paper?
Class A fires involve the burning of wood, paper, cloth, and other ordinary combustibles. These fires can typically be extinguished with water, foam, or dry chemical extinguishers.
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 do fire extinguishers have inside?
A cold smoke. A really cold chemical.
Why do you have fire extinguishers in schools hospitals etc?
Portable fire extinguishers are provided in case there is a small fire that can be quickly extinguished, while occupants are being moved away from the fire and out of the building, if necessary. Some fire extinguishers are automatic, such as those used in commercial grease-duct hoods over cooking appliances, and activate to stop the fire even if nobody is there. Others are manual and may come in different types for different fires (e.g., A, B, C, D, K).
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.
How do you put out a fire on an airplane?
There will be fire extinguishers located in the cockpit, at the stewards stations, and in the galley. Pull the pin, squeeze the trigger, and aim for the base of the flame, sweeping back and forth until ALL flames are extinguished.
Multipurpose dry chemical extinguishers are effective on all classes except?
D and K fire
What is removed from the plane fuel fire?
In a plane fuel fire, the primary substance removed is oxygen. Fire requires three elements to sustain combustion: fuel, heat, and oxygen, often referred to as the fire triangle. By removing or suffocating the oxygen supply, such as through the use of fire extinguishers or foam, the fire can be extinguished. Additionally, controlling the fuel source and cooling the area can also help eliminate the fire.
How is an extinguished fire different from a raging one?
An Extinguished fire is put out and a raging fire is continuing to burn .
