Use of preheated air for combustion of fuel in the furnace, increases – McqOptions

MCQOPTIONS

1.	Use of preheated air for combustion of fuel in the furnace, increases the___________________?
A.	Scale losses of the furnace stock
B.	Calorific value of the fuel
C.	Flame temperature
D.	None of these
Answer» D. None of these

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