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7,058 product engineer interview questions shared by candidates

How do you do dimensional tolerance analysis? Draw a stress-strain curve and describe it. How do you improve stiffness in these glasses? How do you do root cause analysis, such as in this broken hinge on the glasses? How do you diagnose the cohesion/adhesion of this joint on the glasses? What are Cp and Cpk? How do you do root cause analysis and corrective action for this plastic part that breaks? What kind of materials and coatings would be used for this battery contact on the glasses? What manufacturing processes do you know the best/least? How do you test products? How would you design the PCB to fit through this small hinge on the glasses? How do you ensure the position of these two cameras on the glasses? How do you select connectors and cables to go board-to-board?
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Product Design Engineer

Interviewed at Snap

3.4★
Mar 11, 2022

How do you do dimensional tolerance analysis? Draw a stress-strain curve and describe it. How do you improve stiffness in these glasses? How do you do root cause analysis, such as in this broken hinge on the glasses? How do you diagnose the cohesion/adhesion of this joint on the glasses? What are Cp and Cpk? How do you do root cause analysis and corrective action for this plastic part that breaks? What kind of materials and coatings would be used for this battery contact on the glasses? What manufacturing processes do you know the best/least? How do you test products? How would you design the PCB to fit through this small hinge on the glasses? How do you ensure the position of these two cameras on the glasses? How do you select connectors and cables to go board-to-board?

Q: Given three corner points of a triangle, and one more point P. Write a function to check whether P lies within the triangle or not. Q: Write an efficient C program to find the sum of contiguous subarray within a one-dimensional array of numbers which has the largest sum. (Dynamic Programming) Q: Given a value V, if we want to make change for V cents, and we have infinite supply of each of C = { C1, C2, .. , Cm} valued coins, what is the minimum number of coins to make the change? Q: Given arrival and departure times of all trains that reach a railway station, find the minimum number of platforms required for the railway station so that no train waits. Simple HR Questions
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Junior Product Engineer & Junior Research Analyst

Interviewed at Systango

3.8★
Feb 16, 2016

Q: Given three corner points of a triangle, and one more point P. Write a function to check whether P lies within the triangle or not. Q: Write an efficient C program to find the sum of contiguous subarray within a one-dimensional array of numbers which has the largest sum. (Dynamic Programming) Q: Given a value V, if we want to make change for V cents, and we have infinite supply of each of C = { C1, C2, .. , Cm} valued coins, what is the minimum number of coins to make the change? Q: Given arrival and departure times of all trains that reach a railway station, find the minimum number of platforms required for the railway station so that no train waits. Simple HR Questions

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