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Fuels and Combustion

Fuels and Combustion
Pick the odd man out.

Pitch creosote mixture
Wood
Oil gas
Briquettes

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Fuels and Combustion
Largest constituent of coke oven gas is

CH₄
N₂
CO₂
H₂

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Fuels and Combustion
Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.

CO₂ content
CO content
Dew point
O₂ content

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Fuels and Combustion
Ammonia content in raw coke oven gas is about __________ gm/Nm³.

100
15
50
1

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Fuels and Combustion
The fuel ratio of a coal is

Helpful in estimation of its rank
The ratio of its percentage of fixed carbon to that of volatile matter
Neither A nor B
Both A and B

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Fuels and Combustion
Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen.

All of these
22.4 Nm³
1kg mole
32 kg

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