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Which of the following produces small indents and cavities using micro ECM?

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in Advanced Machining by (962k points)
Which of the following produces small indents and cavities using micro ECM?

(a) Moving the work piece

(b) Switching the pulse current

(c) Moving the work piece & Switching the pulse current

(d) None of the mentioned

This question was addressed to me at a job interview.

My query is from ECM-Applications and Micro-ECM in portion Electrochemical Processes of Advanced Machining

1 Answer

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Correct answer is (c) Moving the work piece & Switching the pulse current

For explanation: Indentation and cavitation can be done using micro ECM by moving the work piece or switching the pulse current.

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