1. A spoked hand wheel is to be cast in gray iron. In order to prevent hot tearing of the spokes,… 1 answer below »

1. A spoked
hand wheel is to be cast in gray iron. In order to prevent hot tearing of the
spokes, would you insulate the spokes or chill them? Explain.

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2. Explain
why the constant C in Eq. (10.7) depends on mold material, metal properties,
and temperature.