1. It sometimes is desirable to cool metals more slowly than they would be if the molds were… 1 answer below »

1. It
sometimes is desirable to cool metals more slowly than they would be if the
molds were maintained at room temperature. List and explain the methods you
would use to slow down the cooling process.

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2. Explain
how ribs and serrations are helpful in casting flat surfaces that otherwise may
warp. Give a specific illustration.