Q390
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
AnswerD.
No excess air has been used for combustion
Answer: Option C
Solution
Answer: Option C
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