Furnace Technology Decarburisation of steel 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) Affects its crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 85 15 40 70 85 15 40 70 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for Calcining Roasting All of these Smelting Calcining Roasting All of these Smelting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are Fans All of these Arrangement of heating stock in the furnaces Location of outlet ports and heating & combustion devices Fans All of these Arrangement of heating stock in the furnaces Location of outlet ports and heating & combustion devices ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100% CO 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100 %H₂ 100% CO 95% N₂ + 5% H₂ 5% H₂ + 9% N₂ 100 %H₂ ANSWER DOWNLOAD EXAMIANS APP
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