Mechanical Design Engineer Interview Questions

2,451 mechanical design engineer interview questions shared by candidates

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?
avatar

Mechanical Design Engineer

Interviewed at Siemens

4.1
Jun 5, 2021

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?

Typical questions you get during any other interview with HR. For the technical interview, they made me analyse a piping system where the bolts broke. I then had to say what could have caused it and specific questions were given based on the answers I provided.
avatar

Mechanical Design Engineer

Interviewed at Capgemini Engineering

3.5
Oct 1, 2023

Typical questions you get during any other interview with HR. For the technical interview, they made me analyse a piping system where the bolts broke. I then had to say what could have caused it and specific questions were given based on the answers I provided.

Viewing 2441 - 2450 interview questions

Glassdoor has 2,451 interview questions and reports from Mechanical design engineer interviews. Prepare for your interview. Get hired. Love your job.