Fuels and Combustion A coal having high volatile matter content will Have a very high calorific value None of these Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame Have a very high calorific value None of these Give less yield of tar and gas on carbonisation Burn with a small non-smoky flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Both B and C Low production of CO₂ High production of CO₂ High production of CO Both B and C Low production of CO₂ High production of CO₂ High production of CO 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 friable, charcoal like substance All of these 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 Is friable, charcoal like substance All of these 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 Undercharging of coal in the by-product coke ovens results in No change in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Increase in its throughput No change in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Increase in its throughput ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 36 8 22 12 36 8 22 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Width of the coke oven towards coke side is slightly more than that on pusher side to Facilitate easy discharging of coke as it swells during carbonisation Facilitate uniform heating of the oven Increase the output of the coke None of these Facilitate easy discharging of coke as it swells during carbonisation Facilitate uniform heating of the oven Increase the output of the coke None of these ANSWER DOWNLOAD EXAMIANS APP