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Fuels and Combustion

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

CO content
O₂ content
CO₂ content
Dew point

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Fuels and Combustion
Natural draft created by the chimney depends upon

Both A & B
Its height
Neither A nor B
Temperature of the flue gas

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Fuels and Combustion
Which of the following is not a product of tar distillation?

Benzol & pitch
None of these
Anthracene & creosote
Phenol & naphthalene

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Fuels and Combustion
Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent.

25
5
75
55

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Fuels and Combustion
Combustion reaction of fuels is a/an __________ reaction.

Auto catalytic
Endothermic
None of these
Exothermic

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Fuels and Combustion
Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt 'using theoretical amount of air in

Either A or C without gain or loss of heat
Oxygen
Either A or B
Air

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