Furnace Technology In low or standard frequency induction furnace, heat is produced by the Current flow through a heating element Combination of induced current and skin effect None of these Induction and resistance Current flow through a heating element Combination of induced current and skin effect None of these Induction and resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel used in B.F. stove is Blast furnace gas/mixed gas Pulverised coal Furnace oil Coke oven gas Blast furnace gas/mixed gas Pulverised coal Furnace oil Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases 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 Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of High thermal conductivity Low emissivity Neither A nor B Both A and B High thermal conductivity Low emissivity Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Use of waste heat recovery equipments Thickness of the stock Size of the furance Emissivity of the refactory walls Use of waste heat recovery equipments Thickness of the stock Size of the furance Emissivity of the refactory walls ANSWER DOWNLOAD EXAMIANS APP