Question

Fire wood is a conventional fuel. List any four reasons of replacing it with alternate fuel source of energy

Answer 1

It create a lot of pollution, cutting of trees cause deforestation, the smoke that create by it harmful for us, less calorific value

Answer 2

The four reasons for replacing it with alternate sources of energy are:
(i) Wood has low calorific value as compared to other sources of fuel.
(ii) It causes air pollution on burning.
(iii) Cutting down of trees causes depletion of forest leading to imbalance in nature.
(iv) Only 8-10 % energy of burning firewood is utilised and the remaining is wasted.