Mechanical Design Engineer Interview Questions

2,287 mechanical design engineer interview questions shared by candidates

The engineering director asked me questions about my music shows, since I have performed shows in college. It was a friendly question asked towards to end of the interview, and something other hiring, or engineering managers never asked before.
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Mechanical Design Engineer

Interviewed at NOV

3.5
Jun 24, 2014

The engineering director asked me questions about my music shows, since I have performed shows in college. It was a friendly question asked towards to end of the interview, and something other hiring, or engineering managers never asked before.

1. Where is a cantilever beam most likely to fail from a point load at the free end? 2. What is the most efficient cross - section to resist torsion and why? 3. What is stress? What is strain? How are they related? 4. If you put a balloon in a freezer, what would happen to it and why?
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Mechanical Design Engineer

Interviewed at SpaceX

3.8
Sep 5, 2025

1. Where is a cantilever beam most likely to fail from a point load at the free end? 2. What is the most efficient cross - section to resist torsion and why? 3. What is stress? What is strain? How are they related? 4. If you put a balloon in a freezer, what would happen to it and why?

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