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Fuels and Combustion

Fuels and Combustion
About __________ Nm³ of air will be required for the complete combustion of 2Nm³ of CO.

1
2
5
3

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Fuels and Combustion
Sulphur in metallurgical coal

Both A and B
Neither A nor B
Affects the quality of steel produced as cracks develop on the surface while rolling the steel
Contributes to its heating value

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Fuels and Combustion
In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing

CO
CO₂
O₂
H₂O

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Fuels and Combustion
Main constituent of natural gas is

H₂
C₂H₆
CH₄ (upto 90%)
C₃H₈

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Fuels and Combustion
Coke compared to the coal from which it has been made, contains

All of these
More carbon
Less volatile matter
Greater percentage of ash

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

None of these
Winkler
Lurgi
Kopper-Totzek

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