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
Fuels and Combustion Which of the following has the highest heat of combustion? C₂H₆ H₂ CH₄ CO C₂H₆ H₂ CH₄ CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. Free carbon content in tar Yield percentage of coke Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas Free carbon content in tar Yield percentage of coke Yield of ammonia present in coke oven gas Difference in gross & net calorific value of the coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value is the highest out of the following for Coke oven gas Blast furnace gas Water gas Producer gas Coke oven gas Blast furnace gas Water gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Increase or decrease depending on the fuel type Decrease Not change Increase Increase or decrease depending on the fuel type Decrease Not change Increase ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Junker's calorimeter is used to determine the calorific value of Gaseous fuels Fuel oil None of these Pulverised coal Gaseous fuels Fuel oil None of these Pulverised coal ANSWER DOWNLOAD EXAMIANS APP