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How much amount of thermal damage occurs to the work piece?(a) Small(b) Large(c) No thermal damage(d) Negligible amountI have been asked this question in unit test.This intriguing question comes from ECM-Advantages and Disadvantages topic in division Electrochemical Processes of Advanced Machining

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The CORRECT answer is (c) No THERMAL damage

To explain I would say: As the temperatures are very low, no thermal damage OCCURS to the work piece MATERIAL.



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