Fuels and Combustion Coking coals are invariably Lignites Semi-anthracites Anthracites Bituminous coals Lignites Semi-anthracites Anthracites Bituminous coals ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fussain Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation Is friable, charcoal like substance All of these Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation Is friable, charcoal like substance All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ammonia content in raw coke oven gas is about __________ gm/Nm³. 50 15 1 100 50 15 1 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO₂ & O₂ CO & O₂ CO₂ & H₂ CO (upto 65%) & CO₂ CO₂ & O₂ CO & O₂ CO₂ & H₂ CO (upto 65%) & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Sulphur content Higher C/H ratio Difference in gross & net calorific value Calorific value Sulphur content Higher C/H ratio Difference in gross & net calorific value Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen in coal Is recovered as ammonia during its carbonisation All of these Is present upto 1-2% Comes from protein in parent vegetable matter Is recovered as ammonia during its carbonisation All of these Is present upto 1-2% Comes from protein in parent vegetable matter ANSWER DOWNLOAD EXAMIANS APP