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 A fuel with high heat release rate will Require smaller combustion chamber None of these Have high calorific value Have high adiabatic flame temperature Require smaller combustion chamber None of these Have high calorific value Have high adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Burns completely None of these Gives smokeless burning Shows little or no fusing action Burns completely None of these Gives smokeless burning Shows little or no fusing action ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its None of these Oxygen content Caking power Calorific value None of these Oxygen content Caking power Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 0.79 4.76 3.76 0.21 0.79 4.76 3.76 0.21 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame speed? C₂H₆ H₂ CO CH₄ C₂H₆ H₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP