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Fuels and Combustion

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

5
3
2
1

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Fuels and Combustion
The cuprous chloride used in orsat apparatus can absorb

Both CO and O₂
Only CO
Both CO and CO₂
All of these

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

Increased fuel consumption
Smoky flame
Incomplete combustion
None of these

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

H₂
CH₄
CO
CO₂

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Fuels and Combustion
Low temperature oxidation of coal during storage does not decrease its

Oxygen content
Calorific value
None of these
Caking power

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Fuels and Combustion
Which of the following is called "blue gas"?

Water gas
Natural gas
Producer gas
Coke oven gas

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