[Solved] In ECM, gap increase proportional to which relation of time below?

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Q.	In ECM, gap increase proportional to which relation of time below?
A.	square of time
B.	square root of time
C.	cube of time
D.	cube root of time
Answer» B. square root of time
Explanation: in electrochemical machining, gap increases proportional to the square root of time.

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