4732Chemical EngineeringMedium
Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace?
AIncrease in flame temperature
BIncrease in calorific value of the fuel
CReduction in scale losses
DSaving in fuel consumption
Correct answer
B. Increase in calorific value of the fuel
Explanation
The correct answer is Increase in calorific value of the fuel.