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

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Q.	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
Answer» C. moving the work piece & switching the pulse current
Explanation: indentation and cavitation can be done using micro ecm by moving the work piece or switching the pulse current

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