Explain stress and strain graphs.
Mechanical Product Design Engineer Interview Questions
2,451 mechanical product design engineer interview questions shared by candidates
What are your biggest strengths and weaknesses?
Basic manufacturing-related questions, High-volume manufacturing experience
Why do you think you are a good fit for ASML?
How would you secure a glass cube to an aluminum plate? If this cube now had to be carefully placed, how would you do that cheaply? If the cube was sitting attached for months in a storage area, then bolted to a housing, and then 30 mins later it was detached, what do you think went wrong?
Interview questions range from general to technical for a project
They asked me about my professional experience, and then a short foreign language test.
How would you attach these two components together (shown diagram)?
1. Explain LMC, MMC, & RFS. Give its symbol (GD&T) 2. What is Bonus Tolerance 3. What is the difference between concentricity and circular run out? 4. The stress strain curve, Elastic limit? 5. Write Bending Equation 6. What is Factor of Safety? 7. SFD & BMD of simply supported load beam with point load. 8. What is fatigue? 9. Draw and explain SN Curve? 10. Draw and explain Goodman Soderberg Gerber Diagram? 11. Explain Reverse stress and repeated stresses 12. Explain Endurance Limit 13. What is stress concentration and stress concentration factor? 14. What are the methods to reduce stress concentration? 15. What is notch sensitivity? 16. Write the 5 theories of failure? 17. Difference between ductile and brittle materials and failure. 18. Criteria from material selection 19. Steps in product development 20. What is toughness 21. Types of loads/stresses acting on machine components 22. What is principle plane and principal stresses 23. One Tolerance stack up analysis problem – find tolerance for a notch 24. Table problem with point load (Yield Strength = 1000 N/mm2, Load = 100 N) 25. Hollow shaft or solid shaft carried more torque? 26. What is FMEA? What is it used for?
Talk about a past failure and what you learnt from it
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