Fuels and Combustion Main constituent of natural gas is H₂ C₂H₆ C₃H₈ CH₄ (upto 90%) H₂ C₂H₆ C₃H₈ CH₄ (upto 90%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Compound coke ovens are those which can be heated by Both steam and electrical power Both B and C Rich gas (e.g., coke oven gas) Lean gas (e.g., B.F. gas) Both steam and electrical power Both B and C Rich gas (e.g., coke oven gas) Lean gas (e.g., B.F. gas) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Smoke point Burning temperature Kindling temperature Fire point Smoke point Burning temperature Kindling temperature Fire point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel consumption in coke making can be reduced by Dry quenching of coke All of these Stamped charging of coal Preheating, blending and de-ashing the coal Dry quenching of coke All of these Stamped charging of coal Preheating, blending and de-ashing the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) All of these Heat release rate (thus requiring smaller combustion chamber) Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) All of these Heat release rate (thus requiring smaller combustion chamber) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 18 28 36 6 18 28 36 6 ANSWER DOWNLOAD EXAMIANS APP