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In electro discharge machining tool is made of

This question belongs to Mechanical Engineering Manufacturing And Production Technology
Manufacturing and Production Technology
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In electro discharge machining, tool is made of

Answer & Solution
Correct Answer: Option D
EDM involves the direction of high-frequency electrical spark discharges from a graphite or soft metal tool, which serves as an electrode, to disintegrate electrically conductive materials such as hardened steel or carbide.
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