1. In casting metal alloys, what would you expect to occur if the mold were agitated (vibrated)…

1. In
casting metal alloys, what would you expect to occur if the mold were agitated
(vibrated) aggressively after the molten metal had been in the mold for a
sufficient amount of time to form a skin?

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2. Assume
that you have a method of measuring porosity in a casting. Could you use this
information to accurately predict the strength of the casting? Explain.