In order for a fuel to burn and provide energy, a small amount of heat is required to start the burning and oxygen also needs to be present. , The heat energy that you put in is called INPUT ENERGY., The process of burning is called combustion., Combustion requires a heat source, fuel and oxygen., These three things makes up the fire or combustion triangle., Our air is made up of many gases and about 20% of the air is oxygen.,

Burning Fuels

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