Mechanical Engineering > GATE 2017 SET-1 > Surface Roughness
Assume that the surface roughness profile is triangular as shown schematically in the figure. If the peak to valley height is 20μm, the central line average surface roughness Ra (in μm) is
A
5
B
6.67
C
10
D
20

Correct : a

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Related Topics

surface roughness mechanical engineering GATE Mechanical Engineering 2017 triangular surface profile central line average roughness peak to valley height GATE set 1 question mechanical engineering gate surface roughness calculation

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