The first round was a phone interview. They asked questions about heat transfer and some basic physics questions. No calculations were required; it was more of a way to assess your thinking process.
For the second round, they asked you to design a machine that could fold a quarter in half.
Designing the machine that could fold a quarter in half was hard. They say not to spend more than a few hours on it, and it was difficult to accomplish a lot in a small amount of time.
The following metrics were computed from 3 interview experiences for the Apple Mechanical Engineering Internship role in United States.
Apple's interview process for their Mechanical Engineering Internship roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Apple's Mechanical Engineering Internship interview process in United States.