Siemens Applications Engineer I interview questions

First I received a phone call by Siemens' recruiters. Then I had a second interview on Skype and in the end a third one with HR and a manager

A group interview for whole day. First there is an exam about the professional knowledge and some logical methodologies. Then, there will be a half an hour face to face interview. In the afternoon, there is a group acitivity to design and make a car model and present it to all the interviewers and candidates.