Question

At constant feed rates what happens to gap thickness?

(a) Increases

(b) Decreases

(c) Becomes constant

(d) None of the mentioned

This question was addressed to me during an interview.

I'm obligated to ask this question of ECM-Basic Working Principles topic in division Electrochemical Processes of Advanced Machining

Answer 1

Correct option is (c) Becomes constant

The explanation is: At constant feed rate, work piece becomes stationary and thus the gap thickness becomes constant.