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Small pipes, called tuyeres, are kept at the sides of blast furnace from where

$ (a)\;\text{charge is admitted.} \\(b)\;\text{ flux is added} \\(c)\; \text{blast of hot air is admitted.} \\ (d)\;\text{Cool air is realeased.} $

1 Answer

This hot air causes the melting of charge.
Hence c is the correct answer.
answered Mar 20, 2014 by meena.p

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