Product Design Engineer Interview Questions | Glassdoor

Product Design Engineer Interview Questions

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What are the different ways you can you tell if this part is steel or aluminium.

4 Answers

Simply by using a magnet, Steel has metallic properties, and the magnet will connect. Aluminium will do nothing.

Many stainless steel alloys are not magnetic, so if your magnet is attracted to the material you will definitely know it is steel, but if it doesn't you will not know what the material is.

Simple methods would be density (feeling the mass of the object), surface finish (color, texture). If coated that may give you the answer i.ie anodized would indicate aluminium. For more information I would go for EDX( Energy-dispersive X-ray spectroscopy) and possible a cross section to look at the grain structure.

If you have a cantilevered beam with a load at the unsupported end, what can you change about the beam to mitigate the effect of the load.

2 Answers

What are 5 different variables of a coil spring you can change to affect spring force?

3 Answers

If you and a large brick are in a boat floating in a pool, will the water level rise or fall when the brick is tossed into the water? What if the brick is a large piece of Styrofoam and thrown into the water?

6 Answers

Questions that popped out as I can remember. 1) A cube (1-1-1m) of ice in a room (50C) sitting on a wooden table. the ice is 1m away from the walls around it's 4 sides, except for 1 side is 30cm away. You're given 2 insulating blankets (1m by 1m) that can be used to cover the ice block. The goal is to keep the ice in solid form as long as possible. Where would you put the blankets? 2) 2 rectangular beams, one is Aluminum a by 2b cross-section one is Steel a by b cross-section. If you were to climb a mountain and find these two sticking out on a spot where you need to rest, which one would you latch on to? 3) Interviewee shows a plastic part and asks: How do you think I built this part? What other ways can you think of this part could have been done?

5 Answers

Suppose a theater company calls and requests that a drum be custom fitted to appear inside a large barrel and sounding a certain way. Describe the design process you would use to accomplish this.

1 Answer

General technical questions about manufacturing and materials

1 Answer

They will have you look over a part and identify manufacturing processes.

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After drawing a spring tightly wound with the ends extending away and forming a ~30 degree angle, was asked how I would measure the force exerted if the two ends were released (assuming preloaded)

2 Answers

What is the deflection in a cantilever beam loaded at the end?

1 Answer
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