Furnace Technology Decarburisation of steel Affects its crystalline structure All of these Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) Affects its crystalline structure All of these Is favoured by CO₂ Is the removal of carbon from iron carbide (Fe₃C) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reverberatory furnace is used for Steel melting Roasting/reduction of ores Annealing steel coil Heating air Steel melting Roasting/reduction of ores Annealing steel coil Heating air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Is the ratio of maximum to minimum permissible heat input rates Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the All of these Use of coal/coke containing a high % of fines and ash Use of fuel having too low an ash fusion temperature Development of hot spots in the fuel bed and an abnormally high rate of gasification All of these Use of coal/coke containing a high % of fines and ash Use of fuel having too low an ash fusion temperature Development of hot spots in the fuel bed and an abnormally high rate of gasification ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. All of these Increases the load on the induced draft fan Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising All of these Increases the load on the induced draft fan Reduces the furnace draught Reduces the flue gas temperature and makes the furnace atmosphere oxidising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a Calcination kiln L.D. converter Soaking pit Blast furnace Calcination kiln L.D. converter Soaking pit Blast furnace ANSWER DOWNLOAD EXAMIANS APP
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