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
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
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