Which of the following gaseous fuels has the lowest calorific value?
A
Gober gas
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B
Refinery gas
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C
Converter gas
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D
Blast furnace gas
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Solution
The correct option is D Blast furnace gas Calorific value of these gases are listed in table Gober gas =5kWh/Nm3 refinery gas =1.5kWh/Nm3 Converte gas=3kWh/Nm3 Blast furnace gas =0.9kWh/Nm3