Fuels and Combustion With increase in the temperature of carbonisation of coal Methane content in the coke oven gas decreases and carbon monoxide content increases Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content All of these Hydrogen content of coke oven gas increases due to cracking of hydrocarbons Methane content in the coke oven gas decreases and carbon monoxide content increases Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H? content All of these Hydrogen content of coke oven gas increases due to cracking of hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking coal is desirable for Burning on travelling grate Burning on firebars Coke making All of these Burning on travelling grate Burning on firebars Coke making All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its Caking index Calorific value Yield of carbonised products Friability & oxygen content Caking index Calorific value Yield of carbonised products Friability & oxygen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during None of these Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates None of these Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is H₂ CO CO₂ CH₄ H₂ CO CO₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas constitutes mainly of CH₄ & N₂ CO & N₂ CO & CO₂ CH₄ & CO₂ CH₄ & N₂ CO & N₂ CO & CO₂ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP