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Fuels and Combustion

Fuels and Combustion
Main use of soft coke is as __________ fuel.

Domestic
Blastfurnace
Foundary
None of these

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Fuels and Combustion
Removal of hydrogen from coke oven gas

Is not possible on commerical scale
Increases its calorific value
Does not alter its calorific value
Decreases its calorific value

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Fuels and Combustion
'Fuel' can be defined as a substance which produces heat by

Nuclear fusion
Nuclear fission
All of these
Combustion

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Fuels and Combustion
A sooty flame can be made non-luminous by

Shutting air supply
Admitting more gas
Shutting gas supply
Admitting more air

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Fuels and Combustion
In flue gas analysis by Orsat's apparatus, oxygen is absorbed by

Alkaline pyragllol solution
Cuprous chloride
Potassium hydroxide
None of these

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

Volatiles
Moisture
Ash
Iron

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