What are the four common real-world applications of a perpendicularity tolerance on a drawing?

What will be an ideal response?


ANS:
There are four common real-world applications of a perpendicularity tolerance on a drawing. These applications limit the perpendicularity deviation of a planar surface or feature of size relative to a datum reference frame for:
1. Assembly
2. Appearance (customer appeal)
3. Relationship between datum features(for improving measurement repeatability)
4. Support (guides and stops)

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