Which among the following is a clean fuel?
CNG
Coal
Wood
Petrol
CNG is a clean fuel as it is less polluting.
Among the following fuels, which has the least calorific value:
CNG, Petrol, Cow Dung Cake, Wood.
Among the fuels like Wood, Coal, Petrol or Cooking gas, which of the following is a common substance that burns?
The correct order for fuels mentioned below in terms of increasing calorific value will be - CNG, Petrol, Cow Dung Cake and Wood.