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Fuels and Combustion

Fuels and Combustion
Fuel combustion is never cent per cent efficient due to

Moisture loss
Incomplete combustion
Dry gas/stack gas loss
All of these

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Fuels and Combustion
High excess air in combustion of fuels results in

Increased fuel consumption
Incomplete combustion
None of these
Smoky flame

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Fuels and Combustion
Main constituent of the gas produced from a gobar gas plant is

H₂
CH₄
CO₂
CO

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Fuels and Combustion
Quantity of coke produced from metallurgical coal may be around __________ percent.

50
95
30
75

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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.

75
5
55
25

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

Exothermic
Auto catalytic
None of these
Endothermic

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