The initial interview was over the phone with HR. Later, I had an hour-long interview with two middle managers and two senior developers. The developers had a better grasp of the project than the middle managers. The middle managers were more eager to know whether I would be able to spend more than 40 hours a week without complaining and do the same with my team members.

None, really. Most of the management-related questions were pretty basic, partly due to the fact that the middle managers were recently promoted and didn't have much experience in the hiring process. Developers, on the other hand, asked me a few good questions, asking me to explain the .NET architecture in my previous projects.