As a project manager, it is your job to oversee the creation and execution of company projects and ensure that all team members stay on track to meet deadlines. Expect interview questions that will assess your ability to lead a group and communicate effectively to members with different roles and varying concerns. As the scope, schedule, and cost of a project can change frequently, the interviewer may ask you to role-play a few scenarios in which a project deadline changes or several group members leave the company.
Specific questions that require knowledge of formulas from physics or mathematics.
Fortunately, when I said I knew I needed such and such a formula but couldn't remember it, I was given the formula.