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Fuels and Combustion

Fuels and Combustion
Air/gas ratio for complete combustion will be the highest for

Coke oven gas
LPG
Carburetted water gas
Gobar gas

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Fuels and Combustion
Which of the following can be made into briquettes without the use of a binder?

None of these
Lignite
Bituminous coal
Anthracite coal

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Fuels and Combustion
Coalification means the

Direct hydrogenation of coal
Process of conversion of lignite into anthracite
Complete combustion of coal
Underground gasification of coal

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Fuels and Combustion
Orsat apparatus

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

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Fuels and Combustion
The advantage of firing pulverised coal in the furnace lies in the fact, that it

Permits the use of high ash content coal
Accelerates the burning rate and economises on fuel combustion
Permits the use of low fusion point ash coal
All of these

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Fuels and Combustion
With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion

Either A or B, depends on other factors
Remains same
Decreases
Increases

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