Question

Define the term 'fuel'.​

Answer 1

Answer:

A fuel is any material that can be made to react with other substances so that it releases energy as heat energy or to be used for work. ... The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine.

Answer 2

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Substances that are burned to produce heat are called fuels. These fuels are used for various purposes at home, in industries, and for running automobiles. Coal, petrol, diesel, wood, charcoal, etc are some example of commonly used fuels.

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