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Fuels and Combustion

Fuels and Combustion
When the coal is heated in absence of air, it is called its

Carbonisation
Gasification
Deoxidation
Coalification

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Fuels and Combustion
Which of the following is used for making the explosive 'TNT'?

Benzol
Pyridine
Toluene
Cerosote

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Fuels and Combustion
Orsat apparatus

Determines N₂ in flue gas indirectly
All of these
Gives flue gas analysis on dry basis
Can

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Fuels and Combustion
Main constituents of purified Lurgi gas are

N₂, H₂ & CO₂
CO₂, O₂ & CO
CO, H₂ & CH₄
H₂, CmHn & CO₂

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Fuels and Combustion
Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its

Caking index
Yield of carbonised products
Friability & oxygen content
Calorific value

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Fuels and Combustion
Largest constituent of coke oven gas is

N₂
CO₂
H₂
CH₄

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