Question: Calculate the time taken for a 25kW furnace having an overall efficiency of 80% to melt 20kg of particular metal with the initial temperature of

Calculate the time taken for a 25kW furnace having an overall efficiency of 80% to melt 20kg of particular metal with the initial temperature of 20°C. The specific heat capacity of this particular metal is 896J/chg.; the melting point of the same metal is 657oC and its specific latent heat of fusion 402000J/kg.

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