List the four concepts that make up the definition of a regular feature size.
What will be an ideal response?
ANS:
The definition of a regular feature of size involves four concepts. A regular feature of size must:
1. Contain opposed (or at least partially opposed) surfaces or elements.
2. Contain sufficient opposed surfaces or elements to be able to establish an axis, center point, or center plane.
3. Be associated with a directly toleranced size dimension.
4. Be a shape that is cylindrical, spherical, circular, two opposed elements (lines), or two opposed parallel planes.
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