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Fuels and Combustion

Fuels and Combustion
__________ present in coal is not determined in its ultimate analysis.

Hydrogen
Nitrogen
Fixed carbon
Total carbon

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Fuels and Combustion
Calorific value of coke oven gas is around __________ Kcal/Nm³.

900
2000
4200
7500

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Fuels and Combustion
Natural draft created by the chimney depends upon

Temperature of the flue gas
Both A & B
Neither A nor B
Its height

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Fuels and Combustion
Largest constituent of coke oven gas is

CH₄
N₂
H₂
CO₂

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Fuels and Combustion
The cuprous chloride used in orsat apparatus can absorb

Both CO and CO₂
All of these
Both CO and O₂
Only CO

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Fuels and Combustion
Incomplete combustion of a fuel is characterised by the high __________ in the flue gas.

Oxygen
Temperature
Carbon monoxide
Smoke

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