Chemical Engineering - Fuels and Combustion - Discussion

16. 

A carbonaceous fuel (containing no H2 or hydrocarbons) is burnt and the resulting flue gas contains 21% CO2. It means that

[A]. 21% excess air has been used for combustion.
[B]. 21% excess oxygen has been used for combustion.
[C]. complete combustion of fuel has taken place.
[D]. no excess air has been used for combustion.

Answer: Option C

Explanation:

No answer description available for this question.

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