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Fuels and Combustion

Fuels and Combustion
Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³.

30
3000
30, 000
300

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Fuels and Combustion
KOH solution used in orsat apparatus absorbs

Both A & B
SO₂
Neither A nor B
CO₂

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Fuels and Combustion
Which of the following has the highest gross calorific value?

Blast furnace gas
Carburetted water gas
Oil refinery gas
Coke oven gas

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Fuels and Combustion
Orsat apparatus

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

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Fuels and Combustion
Gobar gas is produced by the __________ of cown dung.

Oxidation
Fermentation
Hydrogenation
None of these

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Fuels and Combustion
Percentage of nitrogen in blast furnace gas may be around

55
25
80
5

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