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Fuels and Combustion

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

H₂O
CO
O₂
CO₂

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Fuels and Combustion
The maximum adiabatic flame temperature in air as compared to that in pure oxygen is

Either lower or higher, depends on the type of fuel
Much higher
Much lower
Same

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Fuels and Combustion
'Wobbe index' is a characteristic of

Gaseous fuels
Fat coals
Solid fuels
Liquid fuels

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

CO₂ content
O₂ content
Dew point
CO content

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

Potassium hydroxide
Alkaline pyrogallol solution
Cuprous chloride
None of these

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Fuels and Combustion
Which of the following is not used as a binder in coal briquetting?

Molasses
Line
Tar
Pitch

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