Stress/strain, beam bending, thought-provoking design questions
Product Design Engineer Interview Questions
629 product design engineer interview questions shared by candidates
what are your strengths and weaknesses for this particular role?
1. Cantilever beam questions, how to improve stiffness of cantilever beam that holds apple logo in free end? name as many ways as you can. 2. Where the max deflection will happen? where point the stress is largest? 3. If you add extra stiffener, will you add it on top surface of the beam or bottom? 4. Which common injection molding defects you faced before? how you fix them? 5. four parts need to be made out from mold, where are the ideal positions for sprue, runner and gate? 6. which side should plastic inject from? core or cavity? 7. what's the difference between Cp and Cpk, which value indicates good tolerance control? 8. Name heat transfer modes. 9. Heat conduction question, know temperature, size, thermal conductivity of the heat source and thermal compound, calculate temperature on the other side. 10. Explain the definition of stress and strain?
Describe a stress strain diagram
Design a specific part of the iphone
Material and manufacturing questions about your design
Normal mechanical intuition questions such as beam bending, stress/strain, how locking pliers work etc.
Please name 20 different ways to remove balloons from an apartment. (brainstorming/creativity question)
Wat is the most complicated structure you designed
Asked me about the frequency representation of a square wave. I think it is extremely ridiculous to ask an 8 year experienced person a direct text book question. These kind of questions are reserved for new graduates.
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