Q. 18 C 4.0( 6 Votes )

The calorific value and ignition temperature of fuel A are 55 kJ/g and 80oC, respectively. These values for fuel B are 80 kJ/g and 10°C, respectively. On burning, the fuel A produces CO2 and H2O while the fuel B produces CO2, CO and SO2. Give three points of relative advantages and disadvantages of these two fuels.

Answer :

Fuel A:


No toxic gases are released.

Proper ignition temperature of around 80°C.


It has a lower calorific value of 55kJ/g.

Fuel B:


It has a high calorific value of 80kJ/g.


It releases toxic gases like CO and SO2.

It has a very low ignition temperature of 10°C.

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