“Overfire burning” in a furnace is a phenomenon characterised by the

Question: “Overfire burning” in a furnace is a phenomenon characterised by the
[A].

supply of excess fuel.

[B].

supply of excess air.

[C].

burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.