Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Burn CO to CO₂ Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Burn CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that 21% excess oxygen has been used for combustion No excess air has been used for combustion 21% excess air has been used for combustion Complete combustion of fuel has taken place 21% excess oxygen has been used for combustion No excess air has been used for combustion 21% excess air has been used for combustion Complete combustion of fuel has taken place ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Calorific value Caking power Hydrogen content Oxygen content Calorific value Caking power Hydrogen content Oxygen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wobbe index' is a characteristic of Liquid fuels Fat coals Solid fuels Gaseous fuels Liquid fuels Fat coals Solid fuels Gaseous fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & CH₄ N₂ & CO N₂ & H₂ CH₄ & CO₂ N₂ & CH₄ N₂ & CO N₂ & H₂ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, oxygen is absorbed by Cuprous chloride Alkaline pyragllol solution Potassium hydroxide None of these Cuprous chloride Alkaline pyragllol solution Potassium hydroxide None of these ANSWER DOWNLOAD EXAMIANS APP
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