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How is material removed in Electro discharge machining?

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in Advanced Machining by (962k points)
How is material removed in Electro discharge machining?

(a) Melt and evaporate

(b) Corrode and break

(c) Mechanical erosion takes place

(d) None of the mentioned

The question was asked in a national level competition.

This question is from EDM-Mechanism of Material Removal in portion Thermal Processes of Advanced Machining

1 Answer

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Best answer
Correct answer is (a) Melt and evaporate

Easy explanation: In Electro discharge machining, material is melted and then evaporated.

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