Arrange the following fuels in the order of decreasing calorific values (keeping the fuel with the highest calorific value first): Biogas, Kerosene, Wood, Petrol, Hydrogen gas, Methane
Which of the following fuels has the highest calorific value ?
(a) natural gas
(b) liquefied petroleum gas
(c) coal gas
(d) hydrogen gas
The calorific value of a fuel is 40000 kJ/kg. This fuel is most likely to be :
(a) biogas
(b) methane
(c) hydrogen gas
(d) liquefied petroleum gas