Fuels and Combustion Sulphur in metallurgical coal Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Contributes to its heating value Neither A nor B Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Contributes to its heating value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal All of these Aliphatic tar is produced Free carbon in tar is more Ammonia yield is more All of these Aliphatic tar is produced Free carbon in tar is more Ammonia yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Largest constituent of blast furnace gas is CO₂ H₂ CO N₂ CO₂ H₂ CO N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Fusion point of its ash Hardness & strength Sulphur & phosphorous content Porosity Fusion point of its ash Hardness & strength Sulphur & phosphorous content Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with Theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air More than theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Gas yield is less Aromatic content of tar produced is more Tar yield is more Ignition temperature of coke produced is less Gas yield is less Aromatic content of tar produced is more Tar yield is more Ignition temperature of coke produced is less ANSWER DOWNLOAD EXAMIANS APP