Q. Metal removal in electric discharge machining takes place through
A. ion displacement
B. melting and vaporization
C. corrosive reaction
D. plastic shear
Ans: melting and vaporization
Sol:
In EDM, electric spark is the source due to which material undergoes fusion and vaporization.
![Determine the correctness (or otherwise) of the following Assertion [A] and the Reason [R]](https://www.gkseries.com/blog/wp-content/uploads/2023/10/Determine-the-correctness-or-otherwise-of-the-following-Assertion-A-and-the-Reason-R.jpg)
