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Between what values mentioned below, do the discharges and sparks usually vary?

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in Advanced Machining by (962k points)
Between what values mentioned below, do the discharges and sparks usually vary?

(a) 1 and 10,000

(b) 500 and 500,000

(c) 500,000 and 1,000,000

(d) None of the mentioned

The question was asked in an interview for internship.

My question is taken from EDM-Mechanism of Material Removal in division Thermal Processes of Advanced Machining

1 Answer

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Correct option is (b) 500 and 500,000

For explanation: Frequency of discharges or sparks generally vary between 500 and 500,000 sparks per second.

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