Screen interview first, then more in depth interview to test your depth. Screening was basic mech. questions like what material is more stiff, brain teaser, etc. Next was more in depth where you talk with actual guy you're working with, he asks you some more advanced mechanical questions.
Interview questions [1]
Question 1
You have 2 plates sitting on top each other, on both plates there is a hole where a thru bolt connects the two. On the top plate there is a slot and on the bottom plate there is a hole directly under it. What purpose does this serve?