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In the following ratios of metal dissolved amounts, which one represent the current efficiency?

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in Advanced Machining by (962k points)
In the following ratios of metal dissolved amounts, which one represent the current efficiency?

(a) Observed to theoretical

(b) Theoretical to observed

(c) All of the mentioned

(d) None of the mentioned

I had been asked this question in homework.

This key question is from ECM-Basic Working Principles topic in chapter Electrochemical Processes of Advanced Machining

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Best answer
The correct choice is (a) Observed to theoretical

Explanation: In electrochemical machining, current efficiency is the ratio of observed amount of metal dissolved to the theoretical amount of metal dissolved.

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