Fuels and Combustion Fussain Is friable, charcoal like substance Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal All of these 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 Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal 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 The most matured coal out of the following is Semi-anthracite Sub-bituminous Bituminous Lignite Semi-anthracite Sub-bituminous Bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Increase in its throughput Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in its throughput Increase in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas No change in the c.v. of coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Smaller in size All of these Stronger Less reactive Smaller in size All of these Stronger Less reactive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking coals are invariably Semi-anthracites Lignites Anthracites Bituminous coals Semi-anthracites Lignites Anthracites Bituminous coals 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 = 0.5 A M = A M = 1.1 A M = 1.8 A M = 0.5 A M = A M = 1.1 A ANSWER DOWNLOAD EXAMIANS APP
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