Furnace Technology The heating capacity of continuous reheating furnace depends upon the All of these Emissivity of the stock Ratio of wall surface to stock surface Hearth area and furnace temperature All of these Emissivity of the stock Ratio of wall surface to stock surface Hearth area and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Decarburising Either of the above Oxidation/scaling Sulphur penetration Decarburising Either of the above Oxidation/scaling Sulphur penetration ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Both A and B Solid fuels Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Both A and B Solid fuels Neither A nor B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Specific heating capacity of a furnace is expressed as Weight heated/hr None of these Weight heated/hr/furnace volume Weight heated/furnace volume Weight heated/hr None of these Weight heated/hr/furnace volume Weight heated/furnace volume ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Forced recirculation of furnace gases is practised In furnaces, operating below 750°C To increase heat transfer by convection All of these To ensure uniform temperature In furnaces, operating below 750°C To increase heat transfer by convection All of these To ensure uniform temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100 %H₂ 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ 100 %H₂ 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ ANSWER DOWNLOAD EXAMIANS APP
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