Design Engineer Interview Questions

17,630 design engineer interview questions shared by candidates

- How will you reduce the deflection of a wooden beam with load at one end and fixed at other? - Beam material replaced with Aluminum and load is same, how will you find the point of failure? - 5 methods to join plastic and metal components.
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Product Design Engineer

Interviewed at Apple

4.1
Apr 25, 2016

- How will you reduce the deflection of a wooden beam with load at one end and fixed at other? - Beam material replaced with Aluminum and load is same, how will you find the point of failure? - 5 methods to join plastic and metal components.

Draw a two-put NAND gate and size it, assuming the ratio of PMOS/NMOS is 2 in inverter. Then suppose two input are A and B for NMOS and PMOS. A is close to output and B is close to ground, input A change from 0 to 1 at t=t1, input B change from 0 to 1 at t =t1 (t1 > t0). Describe how the output change. Then input B changes from 0 to 1 first then input A changes from 0 to 1. Describe how the output changes. Are there any differences between these two scenarios?
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Physical Design Engineer

Interviewed at NVIDIA

4.4
Mar 18, 2011

Draw a two-put NAND gate and size it, assuming the ratio of PMOS/NMOS is 2 in inverter. Then suppose two input are A and B for NMOS and PMOS. A is close to output and B is close to ground, input A change from 0 to 1 at t=t1, input B change from 0 to 1 at t =t1 (t1 > t0). Describe how the output change. Then input B changes from 0 to 1 first then input A changes from 0 to 1. Describe how the output changes. Are there any differences between these two scenarios?

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