Physics · Engineering Metrology
Surface roughness values ranging from 0.2 to 0.8 microns are indicated by which of the following standard symbols on engineering drawings?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1One triangle
- 2Three triangles✓
- 3Two triangles
- 4Approximation sign
Correct answer
Three triangles
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