Question

What happens to the overcut size, if we use the electrolyte flow mode under backward pressure?

(a) Decreases

(b) Increases

(c) Increase and then decrease

(d) None of the mentioned

This question was posed to me in an international level competition.

The above asked question is from Electro Chemical Drilling in section Electrochemical Processes of Advanced Machining

Answer 1

Correct choice is (a) Decreases

To explain: If we use backward pressure for electrolyte flow, the overcut size decreases.