In Electro discharge machining, some annealing of the work piece can be expected __________ the machined surface.(a) On(b) Just below(c) Above(d) At bottomThe question was posed to me during an internship interview.I want to ask this question from EDM-Heat Affected Zone (HAZ) topic in section Thermal Processes of Advanced Machining

In Electro discharge machining, some annealing of the work piece can b

1.	In Electro discharge machining, some annealing of the work piece can be expected __________ the machined surface.(a) On(b) Just below(c) Above(d) At bottomThe question was posed to me during an internship interview.I want to ask this question from EDM-Heat Affected Zone (HAZ) topic in section Thermal Processes of Advanced Machining
Answer» Correct answer is (B) Just below The EXPLANATION: Annealing of some part of the work PIECE in EDM can be EXPECTED just below the machined surface.

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