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Which of the following pulses contribute to the desired material removal in EDM?

(a) Open circuit pulses

(b) Short circuits

(c) Arcs

(d) Sparks

This question was addressed to me in an interview.

I'm obligated to ask this question of EDM-Mechanism of Material Removal topic in section Thermal Processes of Advanced Machining

1 Answer

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Best answer
The correct choice is (d) Sparks

Easiest explanation: The sparks are the one which contributes to the desired material removal in Electro discharge machining.

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