Fuels and Combustion Weathering of coal during storage causes Reduction in coal size All of these Decrease in its caking capacity Increase in its friability Reduction in coal size All of these Decrease in its caking capacity Increase in its friability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Ash Volatile matter Moisture Sulphur (4-6%) Ash Volatile matter Moisture Sulphur (4-6%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 23 29 21 19 23 29 21 19 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke ovens in steel plant are heated by Mixed gas Coke oven gas Electricity Both B & C Mixed gas Coke oven gas Electricity Both B & C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Decreases Remains same Increases Either A or B, depends on other factors Decreases Remains same Increases Either A or B, depends on other factors 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 0.95 y Y 1.05 y 1.8 y 0.95 y Y 1.05 y 1.8 y ANSWER DOWNLOAD EXAMIANS APP