Question:medium

Which of the following is NOT a primary mechanism of material removal in Electrical Discharge Machining (EDM)

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Differentiate clearly between EDM and ECM.
EDM is a thermal process (uses spark melting and vaporization in an insulating dielectric).
ECM is a chemical process (uses electrochemical dissolution in a conducting electrolyte).
Updated On: Jul 9, 2026
  • Thermal melting and vaporization by spark energy
  • Electrochemical dissolution in the dielectric
  • Re-solidification and flushing of molten droplets
  • No direct mechanical contact
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The Correct Option is B

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