Which of the following advantages is not associated with the use of pr – 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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