Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. H₂ High CO/CO₂ CO All of these H₂ High CO/CO₂ CO All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Roasting of pyrites Melting of glass Drying/tempering of refractories Reheating of slabs Roasting of pyrites Melting of glass Drying/tempering of refractories Reheating of slabs ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Sulphur penetration Either of the above Oxidation/scaling Decarburising Sulphur penetration Either of the above Oxidation/scaling Decarburising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by All of these Waste heat recovery from flue gas Minimising heat losses from furnace walls Maintaining proper draught All of these Waste heat recovery from flue gas Minimising heat losses from furnace walls Maintaining proper draught ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have CO in flue gas High excess air None of these No O₂ in flue gas CO in flue gas High excess air None of these No O₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about __________ °C. 3000 2000 6000 4500 3000 2000 6000 4500 ANSWER DOWNLOAD EXAMIANS APP
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