Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 35, 000 2500 10, 000 25, 000 35, 000 2500 10, 000 25, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Increase in its throughput Increase in the c.v. of coke oven gas No change in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in its throughput Increase in the c.v. of coke oven gas No change in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be More Less Data insufficient; can't be predicted Same More Less Data insufficient; can't be predicted Same 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 Y 1.8 y 0.95 y 1.05 y Y 1.8 y 0.95 y 1.05 y ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of combustion air is done to Increase the adiabatic flame temperature Complete the combustion of fuel Reduce its requirement for effecting the complete combustion Increase the calorific value of the fuel Increase the adiabatic flame temperature Complete the combustion of fuel Reduce its requirement for effecting the complete combustion Increase the calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of carbon monoxide in blast furnace gas may be around 8 52 14 22 8 52 14 22 ANSWER DOWNLOAD EXAMIANS APP
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