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FUELS AND COMBUSTION

Fuels and Combustion
Narrow coke ovens as compared to wider coke ovens

Produce stronger coke
All of these
Require less time of carbonisation
Produce smaller coke

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Fuels and Combustion
With increases in carbonisation temperature

Hydrogen percentage in the coke oven gas decreases
Coke even gas yield increases
Tar yield increases
Methane percentage in the coke oven gas increases

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Fuels and Combustion
Coke ovens in steel plant are heated by

Both B & C
Electricity
Coke oven gas
Mixed gas

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

Auto catalytic
None of these
Endothermic
Exothermic

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Fuels and Combustion
Which of the following has the highest flame velocity?

CH₄
C₂H₆
CO
H₂

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