What is meant by the calorific value of a fuel?Fuels are substances that can normally burn readily in air or oxygen to produce large quantity of heat.Examples of some common fuels are petroleum, natural gas and coal. These are called fossil fuels.Differ…

What are the Different Types of Fuels and Their CharacteristicsFuelsMost of the substances used for burning are fuels. Substances that produce heat and light energy on burning are called fuels. Some commonly used fuels are wood, coal, cow dung cakes, ke…