Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Napthalene Ethylene Pitch-cresosote mixture (PCM) Benzol Napthalene Ethylene Pitch-cresosote mixture (PCM) Benzol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum percentage of CO₂ in a flue gas (from a carbonaceous fuel) can be 79 21 77 29 79 21 77 29 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fussain 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 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Iron Moisture Ash Volatiles Iron Moisture Ash Volatiles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Neither A nor B Both A & B Lower hydrogen content Higher calorific value Neither A nor B Both A & B Lower hydrogen content Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases High rank coals have higher amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP