Q. A circular hole of 25 mm diameter and depth of 20 mm is machined by EDM process. The material removal rate (in mm3/min) is expressed as
4 ´104 IT -1.23
where I = 300 A and the melting point of the material, T = 1600°C . The time (in minutes) for machining this hole is
Ans: 7.00 – 7.30
Sol:
![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)
