When incomplete combustion loss is high, the flue gas analysis shows large amount of ________________?
Correct answer: B. CO
- A. CO2
- B. CO
- C. O2
- D. C
Explanation
Incomplete combustion converts part of the carbon to carbon monoxide rather than carbon dioxide, so CO increases in the flue gas. Unburned carbon may also appear as smoke or soot, but the characteristic gaseous product is CO.
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