The main drawback of supplying more excess air in the combustion of fuel is the_________________?

Fuels and Combustion 13/11/2021

A. Excessive power requirement of air blower
B. Enhanced sensible heat loss in the flue gas
C. Intermittent and uncontrolled combustion of the fuel
D. High exit flue gas temperature from the furnace

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    Natural draft created by the chimney depends upon _____________________?
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