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 0.95 y Y 1.05 y 1.8 y 0.95 y Y 1.05 y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if It contains large amount of volatile matter It is stored in tall heaps All of these Smaller fines are stored in large quantity It contains large amount of volatile matter It is stored in tall heaps All of these Smaller fines are stored in large quantity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is unsuitable fuel for producer gas manufacture? Anthracite Coke Coal having high fusion point of its ash Coal having low fusion point of its ash Anthracite Coke Coal having high fusion point of its ash Coal having low fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by High temperature carbonisation Medium temperature carbonisation Heating the coal in an oven in presence of air Low temperature carbonisation High temperature carbonisation Medium temperature carbonisation Heating the coal in an oven in presence of air Low temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Neither A nor B Its height Both A & B Temperature of the flue gas Neither A nor B Its height Both A & B Temperature of the flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of 'gobar' (cow dung). Dehydration Hydrolysis Fermentation Oxidation Dehydration Hydrolysis Fermentation Oxidation ANSWER DOWNLOAD EXAMIANS APP
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