Mechanical Engineering > GATE 2026 > Surface Metrology
A two-dimensional surface profile is obtained over a sampling length by using a contact type stylus profilometer as shown in the figure below. A line AA parallel to the general lay of the trace is considered. The true heights from AA to the peaks and valleys (in µm) in the trace are also shown in the figure (not to scale).
The ten-point height average in µm is
A
4.57
B
5.99
C
3.09
D
2.90

Correct : a

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Related Topics

height average profilometer ten-point height average mechanical engineering gate profilometer measurement surface profile mechanical GATE Mechanical Engineering 2026 height average calculation GATE 2026 Mechanical

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