Furnace Technology Protective gas used in the annealing furnace for steel coil comprises of 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ 100 %H₂ 95% N₂ + 5% H₂ 100% CO 5% H₂ + 9% N₂ 100 %H₂ ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Zircon powder Beryllium Graphite powder Thoria Zircon powder Beryllium Graphite powder Thoria ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have None of these CO in flue gas High excess air No O₂ in flue gas None of these CO in flue gas High excess air No O₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by Using oxygen enriched combustion air All of these Preheating the combustion air Reducing the heat loss through furnace openings & doors Using oxygen enriched combustion air All of these Preheating the combustion air Reducing the heat loss through furnace openings & doors ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Cupola Glass tank furnace Reheating furnace Open hearth furnace Cupola Glass tank furnace Reheating furnace Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rate of heat release in a furnace, which is the measure of heat intensity is defined as Kcal/hr/m³ combustion space Kcal/hr None of these Kcal/m³ combustion space Kcal/hr/m³ combustion space Kcal/hr None of these Kcal/m³ combustion space ANSWER DOWNLOAD EXAMIANS APP
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