Question

A metal with melting temperature of 7000 c is poured into the sand mold that is initially at 300 c. How thick must a mold be to be considered semi-infinite for times of 1 min and 15 min after pouring the metal? (properties of sand mold given are: specific heat=1.16 j/g.0c, thermal conductivity=0.6 w/m.0c and density=1.5 g/cm3).

Answer 1

Answer:

what

Explanation:

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