Fuels and Combustion Main constituents of purified Lurgi gas are H₂, CmHn & CO₂ CO, H₂ & CH₄ N₂, H₂ & CO₂ CO₂, O₂ & CO H₂, CmHn & CO₂ CO, H₂ & CH₄ N₂, H₂ & CO₂ CO₂, O₂ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal All of these Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more Coke oven gas yield is more All of these Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more Coke oven gas yield is more 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
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Hydrocarbons Carbon monoxide Oxygen Hydrogen Hydrocarbons Carbon monoxide Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains Less volatile matter All of these More carbon Greater percentage of ash Less volatile matter All of these More carbon Greater percentage of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Caking power Calorific value Neither A nor B Both A & B Caking power Calorific value Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP