Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 10-15 1-2 30-33 22-26 10-15 1-2 30-33 22-26 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Remains constant None of these Increases Decreases Remains constant None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher 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 Sulphur content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 10 & 20 10 & 3 3 & 10 15 & 8 10 & 20 10 & 3 3 & 10 15 & 8 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 All of these Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal All of these Is friable, charcoal like substance Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 1.8 A M = 1.1 A M = A M = 0.5 A M = 1.8 A M = 1.1 A M = A M = 0.5 A ANSWER DOWNLOAD EXAMIANS APP