Furnace Technology Scaling of furnace stock is reduced by __________ in flue gas. CO All of these High CO/CO₂ H₂ CO All of these High CO/CO₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 100% CO 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100 %H₂ 100% CO 5% H₂ + 9% N₂ 95% N₂ + 5% H₂ 100 %H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by Preheating the combustion air Using oxygen enriched combustion air Reducing the heat loss through furnace openings & doors All of these Preheating the combustion air Using oxygen enriched combustion air Reducing the heat loss through furnace openings & doors All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 650 1000 250 850 650 1000 250 850 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat balance of furnace provides means of determining the Sources of heat losses Scope of reduction of heat losses Thermal efficiency of the process All of these Sources of heat losses Scope of reduction of heat losses Thermal efficiency of the process All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of Both A and B High thermal conductivity Neither A nor B Low emissivity Both A and B High thermal conductivity Neither A nor B Low emissivity ANSWER DOWNLOAD EXAMIANS APP
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