Combustion of furnace oil in a furnace (soaking pit) with preheated
combustion air at 400°C results in saving of about __________ percentfurnace oil as compared to its combustion with atmospheric air, if the flue
gas outlet temperature from the soaking pit is 1200°C.
(A) 5
(B) 60
(C) 20
(D) 40
combustion air at 400°C results in saving of about __________ percentfurnace oil as compared to its combustion with atmospheric air, if the flue
gas outlet temperature from the soaking pit is 1200°C.
(A) 5
(B) 60
(C) 20
(D) 40