In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of__________________? | MCQ Hive

Chemical Engineering

Q In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of__________________?

A A. Use of non-preheated combustion air
B B. Use of pulverised solid fuels
C C. Imperfect mixing of fuel & air and infiltration of air
D D. Use of excessive positive draft in the furnace

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