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determine the efficiency of a high frequency induction furnace which takes 10 minutes to melt 1.

determine the efficiency of a high frequency induction furnace which takes 10 minutes to melt 1.815 kg of aluminium the input of the furnace being 5 KW and the initial temperature 15 deg
specific heat of aluminium =0.212, melting point = 660 deg C, latent heat of furnace of aluminium=78.8 Kcal/kg

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