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. Different types of fuels have different heats of combustion. Heat of combustion is expressed in kilojoules per … [Read more...] about What is meant by the calorific value of a fuel?