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Compared to the diameter to depth ratio of ES drilling, how is ECJD’s ratio?

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in Advanced Machining by (962k points)
Compared to the diameter to depth ratio of ES drilling, how is ECJD’s ratio?

(a) Lower

(b) Higher

(c) Same as ES

(d) None of the mentioned

This question was addressed to me during an interview for a job.

This key question is from Electrochemical Jet Drilling in division Electrochemical Processes of Advanced Machining

1 Answer

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Best answer
Right option is (a) Lower

The explanation: ES drilling has a diameter to depth ratio of 1:100, while ECJD has a ratio of 1:12.

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