Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? C + 2H₂O ⟷ CO₂ + 2H₂ C + H₂O ⟷ CO + H₂ CO + H₂O ⟷ CO₂ + H₂ 2CO ⟷ C + CO₂ C + 2H₂O ⟷ CO₂ + 2H₂ C + H₂O ⟷ CO + H₂ CO + H₂O ⟷ CO₂ + H₂ 2CO ⟷ C + CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Washing with monoethanolamine Electrostatic precipitator Wet packed scrubber Cyclone separator Washing with monoethanolamine Electrostatic precipitator Wet packed scrubber Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Bag filter Wet scrubber Hydrocyclones Multicyclones Bag filter Wet scrubber Hydrocyclones Multicyclones ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Weathering of coal during storage causes Increase in its friability Decrease in its caking capacity All of these Reduction in coal size Increase in its friability Decrease in its caking capacity All of these Reduction in coal size ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of hard coke produced by high temperature carbonisation is in the Cupola in foundaries Iron blast furnace Sinter making Domestic ovens Cupola in foundaries Iron blast furnace Sinter making Domestic ovens ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always Unpredicatable 1 > 1 Unpredicatable 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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