Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Hydrogen content Oxygen content Calorific value Caking power Hydrogen content Oxygen content Calorific value Caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Durain Clarain Fussain Vitrain Durain Clarain Fussain Vitrain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains Greater percentage of ash All of these Less volatile matter More carbon Greater percentage of ash All of these Less volatile matter More carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 4% and M10 < 80% M40 > 98% and M10 < 2% M40 > 78% and M10 < 10% M40 > 10% and M10 < 78% M40 > 4% and M10 < 80% M40 > 98% and M10 < 2% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of the coke is a measure of its Strength Bulk density Reactivity None of these Strength Bulk density Reactivity None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Ratio of fixed carbon to volatile matter increases Oxygen content progressively decreases Calorific value of the coal increases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Oxygen content progressively decreases Calorific value of the coal increases High rank coals have higher amount of volatile matter ANSWER DOWNLOAD EXAMIANS APP