Sprue former should be attached to the bulkiest portion of wax because:
Correct Answer: All of the above
Description: The sprue former should be attached to the bulkiest part of the wax pattern because of the following reasons:
This will minimize the effect of released residual stresses by the heat of attaching the sprue.
It will ensure that the thinner cross-section of the mold will be filled completely.
The melt will always be fluid enough and available until all lesser dimension sections are adequately filled.
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