Give two examples each of : (a) solid fuels (b) liquid fuels, and (c) gaseous fuels.
Give two examples each of solid fuels, liquid fuels and gaseous fuels.
Which of the following fuels has the highest calorific value ?
Kerosene, Wood, Hydrogen, Cow-dung cakes, LPG
Among the following fuels, which has the least calorific value:
CNG, Petrol, Cow Dung Cake, Wood.