Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 20 10 12.5 0 20 10 12.5 0 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 100 500 1500 1000 100 500 1500 1000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has All of these Lower strength Higher reactivity Lower bulk density All of these Lower strength Higher reactivity Lower bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of the coke is a measure of its None of these Reactivity Strength Bulk density None of these Reactivity Strength Bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of a gas of composition CO₂ = 20%, H₂ = 50%, CH₄ = 30%, is y. If the composition of gas is changed to H₂ = 50%, CH₄ = 30%, CO₂ = 10%, N₂ = 10%, then the calorifice value will be 1.8 y Y 1.05 y 0.95 y 1.8 y Y 1.05 y 0.95 y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases ANSWER DOWNLOAD EXAMIANS APP
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