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 1.8 y 1.05 y 0.95 y Y 1.8 y 1.05 y 0.95 y Y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas constitutes mainly of CO & CO₂ CH₄ & N₂ CH₄ & CO₂ CO & N₂ CO & CO₂ CH₄ & N₂ CH₄ & CO₂ CO & N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens Produce stronger coke Produce smaller coke All of these Require less time of carbonisation Produce stronger coke Produce smaller coke All of these Require less time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Iron sulphate Iron silicate All of these Lime and magnesia Iron sulphate Iron silicate All of these Lime and magnesia ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes None of these Decrease in its calorific value Brittleness of steel made by using it Increase in its strength None of these Decrease in its calorific value Brittleness of steel made by using it Increase in its strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the Mixing with blast furnace gas Hot scarfing of steel slabs Coke oven battery heating Steel ladle drying Mixing with blast furnace gas Hot scarfing of steel slabs Coke oven battery heating Steel ladle drying ANSWER DOWNLOAD EXAMIANS APP
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