Tesla Mechanical Design Engineer interview questions

Interviewed in February, 2021, Contacted by recruiter, interview structure was as follows: 45 minute introduction call with recruiter 1 hour interview with Senior Engineer Timed written exam (cant remember the exact time, though I believe it was 2 hours) 1 hour project presentation followed by 5 hours of panel interviews Initial interviews focused on my background and experience, followed by some very basic technical questions about the position (think cantilever beams, stress-strain charts, etc.). Written exam was difficult, with questions clearly meant to trick you and test your thought process. It was multiple choice, but you also submit a photo of your work. Score seemed to not matter, so do not worry about a low "grade" as long as your work makes sense and was easy to follow. The panel interview was by far the most difficult part of the process. I created a presentation about a device i designed in university, and presented to about 10 people. After this presentation, there was 15-30 minutes for questions, some of which focused on aspects of the design, others more on the technical background of the device. After the rounds of questioning, one-on-one interviews with those in the presentation audience began. The interviews each seemed to have a theme, focusing on different topics, including solid mechanics, Mechancial design, material science, and heat transfer. The process was long with very few breaks, and almost entirely technical.