Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Supplying correct amount of combustion air Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Adopting proper fuel firing technique & fuel preparation Supplying correct amount of combustion air Preheating of fuel gases & combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ present in coal is not determined in its ultimate analysis. Hydrogen Total carbon Fixed carbon Nitrogen Hydrogen Total carbon Fixed carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of a gas of composition CO₂ = 20%, H₂ = 50%, CH₄ = 30%, is y. If the composition of gas is changed to H₂ = 50%, CH₄ = 30%, CO₂ = 10%, N₂ = 10%, then the calorifice value will be 1.8 y 1.05 y 0.95 y Y 1.8 y 1.05 y 0.95 y Y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas burns with a bluish flame, because of the presence of CO₂ CO S CH₄ CO₂ CO S CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of a typical dry anthracite coal may be around __________ Kcal/kg. 4000 8000 1000 15000 4000 8000 1000 15000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of preheated air for combustion of fuel in the furnace, increases the Calorific value of the fuel Flame temperature Scale losses of the furnace stock None of these Calorific value of the fuel Flame temperature Scale losses of the furnace stock None of these ANSWER DOWNLOAD EXAMIANS APP
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