Question

List three characteristic of a good source of energy and mention any three qualities of good fuel.

Answer 1

Characteristic of a good source of energy:-

1. It should produce a large amount of energy per unit mass.
2. It must be economical and pollution-free.
3. It must be easy to handle or carry and store.
4. It should be of low cost but of high calorific value.

Three qualities of good fuel:-

1. It should have a high calorific value.
2. It should be environment-friendly and burn completely without leaving any solid or gaseous residue.
3. It should be cheap and readily available.