Question

state any 3 characters of good source of energy name the gaseous fuel which has the largest calorfic value

Answer 1

1  which is cheap and easy to handle

2 which have high calorfic value

3 do not cause any pollution

LPG

Answer 2

Ans: Characteristics of good source of energy are:
1) Fuel must have high calorific value.
2) It should burn without giving out any smoke or harmful gases.
3)It should have a proper ignition temperature.
4)It should be cheap and easily available.
5) It should burn smoothly

HYDROGEN GAS have high calorific value (150 kj/g).

Hope it helps...!!