Network Rail Operative interview questions

It is a three-hour process. Firstly, I had a group discussion with 3-6 candidates. Depending on how well we do, we get interviewed by the seniority-level staff on that particular day. For instance, if you do very well in the group discussion, you get interviewed by an Engineer of high seniority who may be your hiring manager. If you do not do well, you still get interviewed by someone but with low seniority. Interview maybe competency-based or strength based more info will be given in your invite. After one or two weeks, we get results.

Relaxed, just need to read up on the company and be interested. Also as good idea to try read about the railway too if it is your first time joining