Using of a mate electrode in Electro discharge machining _____________ the surface roughness of material.(a) Increases(b) Decreases(c) Enhances(d) None of the mentionedI got this question by my school principal while I was bunking the class.Query is from EDM-Surface Integrity topic in division Thermal Processes of Advanced Machining

Using of a mate electrode in Electro discharge machining _____________

1.	Using of a mate electrode in Electro discharge machining _____________ the surface roughness of material.(a) Increases(b) Decreases(c) Enhances(d) None of the mentionedI got this question by my school principal while I was bunking the class.Query is from EDM-Surface Integrity topic in division Thermal Processes of Advanced Machining
Answer» The CORRECT choice is (B) Decreases The BEST I can explain: By USING a mate electrode in Electro discharge machining, the surface roughness VALUES are decreased.

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