1433Chemical EngineeringMedium
In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of________?
AUse of excessive positive draft in the furnace
BUse of non-preheated combustion air
CImperfect mixing of fuel & air and infiltration of air
DUse of pulverised solid fuels
Correct answer
C. Imperfect mixing of fuel & air and infiltration of air
Explanation
The correct answer is Imperfect mixing of fuel & air and infiltration of air.