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A 200V, 200kW electric furnace is required to raise 500kg of brass from an initial temperature of 15°C to the melting point of 910°C. If the overall efficiency is 0.8, calculate the time of the operation. Specific heat capacity of brass is 0.39kJ/kg°C

Home/ College/A 200V, 200kW electric furnace is required to raise 500kg of brass from an initial temperature of 15°C to the melting point of 910°C. If the overall efficiency is 0.8, calculate the time of the operation. Specific heat capacity of brass is 0.39kJ/kg°C