Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Slow & high Fast & slow Fast & high Slow & low Slow & high Fast & slow Fast & high Slow & low ANSWER DOWNLOAD EXAMIANS APP
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 Main constituents of purified Lurgi gas are CO₂, O₂ & CO N₂, H₂ & CO₂ CO, H₂ & CH₄ H₂, CmHn & CO₂ CO₂, O₂ & CO N₂, H₂ & CO₂ CO, H₂ & CH₄ H₂, CmHn & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Produce strong coke Both B and C May damage the coke oven walls during carbonisation Produce weak coke Produce strong coke Both B and C May damage the coke oven walls during carbonisation Produce weak coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of coal blend used for blast furnace coke making is about 36 22 12 8 36 22 12 8 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the Decrease in its carbon & hydrogen content All of these Increase in its oxygen content Decrease in its caking power & calorific value Decrease in its carbon & hydrogen content All of these Increase in its oxygen content Decrease in its caking power & calorific value ANSWER DOWNLOAD EXAMIANS APP