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What happens to the surface roughness values if the MRR increases in EDM?

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+2 votes
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in Advanced Machining by (962k points)
What happens to the surface roughness values if the MRR increases in EDM?

(a) Increases

(b) Decreases

(c) Decrease and increase

(d) None of the mentioned

The question was posed to me in an online interview.

I would like to ask this question from EDM-Surface Integrity topic in section Thermal Processes of Advanced Machining

1 Answer

+1 vote
by (532k points)
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Best answer
Correct option is (a) Increases

The best I can explain: In EDM, the surface roughness values increases linearly with increase in the material removal rates.

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