Fire is a form of a chemical reaction that involves the rapid oxidation of combustible fuel (material) with the subsequent liberation of heat and light. Fire needs the presence of 3 basic things: oxygen, fuel and heat; these constitute the Fire Triangle. If any is absent, there won’t be fire outbreak.
Types of Fire
1. Controlled (Safe) Fire: There is good control on the size, duration, temperature, smoke and fumes of the fire. This is used in our daily life such as cooking, heating (by gas, coal or kerosene), car, aeroplane and rocket engines.
2. Uncontrolled (Dangerous) Fire: There is no control on the size, duration, temperature (1000 Degree Centigrade or more), smoke and fumes of fire. This type of fire occurs due to the accidental (or due to criminal act) spread of fire to catch combustible materials. In addition to oxygen, fuel and heat, this type of fire requires an uninhabited chain reaction. In an uninhabited chain reaction burning continues and may even accelerate. This chain reaction occurs due to the breakdown and recombination of the molecules that will add to the fuel of the fire.
Classes of fire
There are 6 classes of fire which are thus:-
• Class A - fires involving solid materials such as wood, paper or textiles.
• Class B - fires involving flammable liquids such as petrol, diesel or oils.
• Class C - fires involving gases.
• Class D - fires involving metals.
• Class E - fires involving live electrical apparatus.
• Class F - fires involving cooking oils such as in deep-fat fryersKindly attempt the following questions to ascertain your understanding of this game.

TARIAH DOUGLAS M(Master) Did you learn anything? Yes No        

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