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Fuels and Combustion

Fuels and Combustion
Coke oven gas constitutes mainly of

H₂ & CO₂
H₂ & CO
H₂ & CH₄
CH₄ & CO

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Fuels and Combustion
The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n.

Shift conversion
Boudouard
Reduction
Neumann reversal

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Fuels and Combustion
With increases in carbonisation temperature

Coke even gas yield increases
Hydrogen percentage in the coke oven gas decreases
Tar yield increases
Methane percentage in the coke oven gas increases

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Fuels and Combustion
Oxygen required for theoretically complete combustion of 1 Nm³ methane is __________ Nm³.

4
1
6
2

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Fuels and Combustion
High pressure coal gasification is employed in __________ process.

None of these
Lurgi
Winkler
Kopper-Totzek

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Fuels and Combustion
In high temperature carbonisation of coal compared to low temperature carbonisation

H₂ content in the coke oven gas is more
Calorific value of the coke oven gas is lower
Aromatic content of tar is low
Yield of ammonia is less

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