Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.

Question: Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.
[A].

CO content

[B].

dew point

[C].

CO2 content

[D].

O2 content

Answer: Option A

Explanation:

No answer description available for this question.