Fuels and Combustion Hard coke is manufactured from Lignite Semi-anthracite Anthracite Bituminous coal Lignite Semi-anthracite Anthracite Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke ovens in steel plant are heated by Electricity Coke oven gas Mixed gas Both B & C Electricity Coke oven gas Mixed gas Both B & C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be High Low Very high, if the fuel is of low calorific value None of these High Low Very high, if the fuel is of low calorific value None of these 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 1.05 y 1.8 y 0.95 y Y 1.05 y 1.8 y 0.95 y Y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 42.9 23 47.3 27.6 42.9 23 47.3 27.6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Stack gas temperature Fuel consumption for the same heat load Percentage of oxygen in flue gases All of these Stack gas temperature Fuel consumption for the same heat load Percentage of oxygen in flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
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