GATE PI · 2022 · PI
Question 31: Metrology and Inspection
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Question 31
PINAT1 markNeeds review
The absolute deviations of 8 points from the datum line of a surface are 10, 15, 12, 10, 13, 12, 20 and 25 μm. The root mean square value of the surface roughness (in μm) is____________. [round off to one decimal place]
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2022PI
GATE PI 2022 · Paper 1
Production and Industrial Engineering · Original paper archive
- Section
- Production and Industrial Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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