Fuels and Combustion Fixed carbon in coal is defined as The total quantity of carbon present in the coal The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters The total quantity of carbon present in the coal The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the temperature of carbonisation of coal Hydrogen content of coke oven gas increases due to cracking of hydrocarbons All of these Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content Methane content in the coke oven gas decreases and carbon monoxide content increases Hydrogen content of coke oven gas increases due to cracking of hydrocarbons All of these Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content Methane content in the coke oven gas decreases and carbon monoxide content increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in Either A or B Air Oxygen Either A or C without gain or loss of heat Either A or B Air Oxygen Either A or C without gain or loss of heat ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the Ignition temperature of coke produced is less Tar yield is more Gas yield is less Aromatic content of tar produced is more Ignition temperature of coke produced is less Tar yield is more Gas yield is less Aromatic content of tar produced is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of nitrogen in blast furnace gas may be around 80 25 5 55 80 25 5 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = A M = 1.8 A M = 1.1 A M = 0.5 A M = A M = 1.8 A M = 1.1 A M = 0.5 A ANSWER DOWNLOAD EXAMIANS APP
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