1938Mechanical EngineeringMedium
Overfire burning is the phenomenon of ________?
Aburning CO and unburnts in upper zone of furnace by supplying more air
Bnone of the above
Cfuel bed firing
Dsupply of excess coal
Esupply of excess, air
Correct answer
A. burning CO and unburnts in upper zone of furnace by supplying more air
Explanation
The correct answer is burning CO and unburnts in upper zone of furnace by supplying more air.