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03/08/2021 1:42 pm
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The calorific value and ignition temperature of fuel A are 55 kj/g and 80°C, respectively. These values for fuel B are 80 kj/g and 10°C, respectively. On burning, the fuel A produces CO2 and H2O while fuel B produces CO2, CO and SO2. Give three points of relative advantages and disadvantages of these two fuels.
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03/08/2021 1:45 pm
Fuel A:
(i) Lower calorific value of 55 kJ/g (Disadvantage)
(ii) Moderate ignition temperature of 80°C (Advantage)
(iii) No harmful gases produced (Advantage)
Fuel B:
(i) High calorific value of 80 kJ/g (Advantage)
(ii) Very low ignition temperature of 10°C (Disadvantage)
(iii) Harmful gases like CO and SO2 produced (Disadvantage)