_ Which of the following advantages is not associated with the use of – McqOptions

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1.	_ Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace?$?
A.	Increase in calorific value of the fuel
B.	Increase in flame temperature
C.	Reduction in scale losses
D.	Saving in fuel consumption
Answer» B. Increase in flame temperature

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