Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & H₂ N₂ & CO N₂ & CH₄ CH₄ & CO₂ N₂ & H₂ N₂ & CO N₂ & CH₄ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of L.D. converter gas is about __________ Kcal/Nm³ . 1800 800 4500 10000 1800 800 4500 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Reduction in coal size All of these Increase in its friability Decrease in its caking capacity Reduction in coal size All of these Increase in its friability Decrease in its caking capacity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coalification means the Direct hydrogenation of coal Complete combustion of coal Process of conversion of lignite into anthracite Underground gasification of coal Direct hydrogenation of coal Complete combustion of coal Process of conversion of lignite into anthracite Underground gasification of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal Is recovered as ammonia during its carbonisation Is present upto 1-2% Comes from protein in parent vegetable matter All of these Is recovered as ammonia during its carbonisation Is present upto 1-2% Comes from protein in parent vegetable matter All of these ANSWER DOWNLOAD EXAMIANS APP