Workshop Technology
The blank diameter used in thread rolling will be

A little larger than the minor diameter of the thread
A little larger than the pitch diameter of the thread
Equal to pitch diameter of the thread
Equal to minor diameter of the thread

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Workshop Technology
Shift is a casting defect which

Occurs near the ingates as rough lumps on the surface of a casting
Results in general enlargement of a casting
Occurs as sand patches on the upper surface of a casting
Results in a mismatching of the top and bottom parts of a casting

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