Fuels and Combustion Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³. 6 1 2 4 6 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Burn CO to CO₂ Have proper combustion by supplying it around the burner Preheat the tertiary air used for complete combustion of CO to CO₂ Dry and transport the coal Burn CO to CO₂ Have proper combustion by supplying it around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Incomplete combustion Flue gases Unburnt carbon in flue gases Ash content in the fuel Incomplete combustion Flue gases Unburnt carbon in flue gases Ash content in the fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Reduction Neumann reversal Shift conversion Boudouard Reduction Neumann reversal Shift conversion Boudouard ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Desirable "Micum Index" values of metal-lurical coke are M40 > 98% and M10 < 2% M40 > 78% and M10 < 10% M40 > 4% and M10 < 80% M40 > 10% and M10 < 78% M40 > 98% and M10 < 2% M40 > 78% and M10 < 10% M40 > 4% and M10 < 80% M40 > 10% and M10 < 78% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? Sub-bituminous coal Anthracite coal Blast furnace coke Low temperature coke Sub-bituminous coal Anthracite coal Blast furnace coke Low temperature coke ANSWER DOWNLOAD EXAMIANS APP