Fuels and Combustion Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction? C + H₂O ⟷ CO + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ 2CO ⟷ C + CO₂ CO + H₂O ⟷ CO₂ + H₂ C + H₂O ⟷ CO + H₂ C + 2H₂O ⟷ CO₂ + 2H₂ 2CO ⟷ C + CO₂ CO + H₂O ⟷ CO₂ + H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in its throughput Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas No change in the c.v. of coke oven gas Increase in its throughput ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Young Mature Both A & B Neither A nor B Young Mature Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Variation of coal quality with depth Origin of coal Coalification Origin of petroleum oil Variation of coal quality with depth Origin of coal Coalification Origin of petroleum oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The internal energy of the combustion products is __________ compared to that of reactants. Equal Less More More or less ; (depends on the state of fuel.) Equal Less More More or less ; (depends on the state of fuel.) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? CO CH₄ None of these H₂ CO CH₄ None of these H₂ ANSWER DOWNLOAD EXAMIANS APP
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