Question

Explain fuel as source of energy. Also write any four characteristics of a good fuel.

Answer 1

Fuel

1. Fuel is a chemical that releases energy when heated with oxygen. The energy may release in the form of heat and light.
2. Example: Wood, gas, petrol, kerosene, diesel, coal, and animal waste.

Characteristics of a good fuel

1. It needs to have a lot of calories.
2. It must have a suitable ignition temperature in order to burn quickly.
3. After burning, it should produce no residue (or very little residue) or ash.
4. It should burn evenly, that is, at a steady rate with a modest rate of combustion.
5. It needs to be reasonably priced and accessible.
6. It ought to be simple to use, secure to transfer, and practical to store.