Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of Neither A nor B Both A and B High thermal conductivity Low emissivity Neither A nor B Both A and B High thermal conductivity Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100 %H₂ 100% CO 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100 %H₂ 100% CO 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Either more or less; depends on the flue gas density Answer: Option B Less More Same Either more or less; depends on the flue gas density Answer: Option B Less More Same ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Sulphur penetration Oxidation/scaling Decarburising Either of the above Sulphur penetration Oxidation/scaling Decarburising Either of the above ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Ceramic recuperator Economiser Regenerator Waste heat boiler Ceramic recuperator Economiser Regenerator Waste heat boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
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