[Solved] What are the values of voltages used in ECM?

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Q.	What are the values of voltages used in ECM?
A.	1 to 8 v
B.	10 to 30 v
C.	40 to 80 v
D.	90 to 110 v
Answer» B. 10 to 30 v
Explanation: low voltages, ranging between 10 to 30 v are used in electrochemical machining.

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