FIRE DEFINE :
it is the chemical reaction of fuel, oxygene and source of heat of ignition.
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A fire extinguisher is a handheld active fire protection device usually filled with a dry or wet chemical used to extinguish or control small fires. What is Fire? Fire is a chemical reaction that releases light and heat
Fire triangle A fire triangle is a principle that explains the elements necessary for a fire to start, they are;
Fuel – for combustion.
Air – Constant supply of oxygen for letting the fire burn.
Heat – To provide ignition temperature.
What Is the Fire Tetrahedron? In addition to the three elements of the fire triangle, the fire tetrahedron includes a fourth element— a chemical chain reaction—as well
Classes of Fires There are six different types of fire classes Class A Fire
Class A fires involve fires caused by fuel materials, including paper, cloth, wood and other flammable solids.
Class B Fire:
Class B fires involve fires triggered by flammable liquids, such as paint, turpentine and petrol, among several others.
Class C Fire:
Class C fires involve fires ignited by flammable gases, including methane, butane or hydrogen, among several others.
Class D Fire:
Class D fires involve fires by combustible metals including potassium, aluminium or magnesium, among several others.
Class F Fire:
Class F fires involve those caused by cooking oils, such as a chip pan fire.
