Question: In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of
[A].use of non-preheated combustion air.
use of pulverised solid fuels.
imperfect mixing of fuel & air and infiltration of air.
use of excessive positive draft in the furnace.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.