Fuels and Combustion Coke having higher porosity has All of these Lower bulk density Lower strength Higher reactivity All of these Lower bulk density Lower strength Higher reactivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher Heat release rate (thus requiring smaller combustion chamber) Adiabatic flame temperature All of these Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Heat release rate (thus requiring smaller combustion chamber) Adiabatic flame temperature All of these Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sooty flame can be made non-luminous by Admitting more air Shutting air supply Admitting more gas Shutting gas supply Admitting more air Shutting air supply Admitting more gas Shutting gas supply ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas burns with an yellowish flame, because of the presence of CH₄ H₂ CO₂ NH₃ CH₄ H₂ CO₂ NH₃ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Rich gas (e.g., coke oven gas) Both steam and electrical power Both B and C Lean gas (e.g., B.F. gas) Rich gas (e.g., coke oven gas) Both steam and electrical power Both B and C Lean gas (e.g., B.F. gas) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sometimes water is sprayed during coal charging in the coke oven, which helps in Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) All of these Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H₂ in the gas (due to the endothermic reaction represented by C + H₂O = CO + H₂) All of these Controlling the dust nuisance while charging the coal Prevention of clinker formation in the oven ANSWER DOWNLOAD EXAMIANS APP