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Fuels and Combustion

Fuels and Combustion
Coke oven gas constitutes mainly of

H₂ & CO
H₂ & CH₄
CH₄ & CO
H₂ & CO₂

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Fuels and Combustion
By-products are __________ recovered in 'Beehive ovens'.

Negligibly
Partially
Not at all
Fully

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Fuels and Combustion
Oxygen percentage (by weight) in atmospheric air is

21
23
19
29

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Fuels and Combustion
Purity of coke means that, it is high in carbon and low in

Volatiles
Iron
Moisture
Ash

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Fuels and Combustion
Largest constituent of blast furnace gas is

CO
N₂
CO₂
H₂

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Fuels and Combustion
Yield of charcoal in high temperature carbonisation of wood is about __________ percent.

75
25
10
50

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