Hard, to the point, slightly scary. I felt sort of shaken, as if they will question many of your answers, even if you feel confident in them. A good challenge and practice.
Cantilever beam bending in general
The following metrics were computed from 37 interview experiences for the SpaceX Test Engineer role.
SpaceX's interview process for their Test Engineer roles is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for SpaceX's Test Engineer interview process.