Fuels and Combustion High amount of sulphur and phosphorous in coke causes None of these Decrease in its calorific value Increase in its strength Brittleness of steel made by using it None of these Decrease in its calorific value Increase in its strength Brittleness of steel made by using it 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 Y 0.95 y 1.05 y 1.8 y Y 0.95 y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Water gas constitutes mainly of CO₂ & H₂ CO & H₂ CO & N₂ CH₄ & H₂ CO₂ & H₂ CO & H₂ CO & N₂ CH₄ & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High sulphur Low fusion point of ash None of these High ash content High sulphur Low fusion point of ash None of these High ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Facilitates by-products recovery Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength Facilitates by-products recovery Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Produces coke with very poor strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Molasses Pitch Line Tar Molasses Pitch Line Tar ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS