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Fuels and Combustion

Fuels and Combustion
Which of the following is not a by-product fuel?

Blast furnace gas
Petrol
Pitch
Refinery gas

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Fuels and Combustion
Washing of coal decreases its

Caking index
Ash content
Both B and C
Mineral matter content

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Fuels and Combustion
About __________ Nm³ of air will be required for the complete combustion of 2Nm³ of CO.

1
5
2
3

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Fuels and Combustion
Main use of soft coke is as __________ fuel.

None of these
Domestic
Blastfurnace
Foundary

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Fuels and Combustion
Calorific value of dry wood may be around __________ Kcal/kg.

50
5000
500
5

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Fuels and Combustion
L.D. converter gas (produced in steel plant) comprises mainly of

CO₂ & O₂
CO & O₂
CO₂ & H₂
CO (upto 65%) & CO₂

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