1. What do you know about us?

2. What are your future goals? Where do you see yourself in five years time?

3. What is the most difficult project you have ever tackled? Why?

4. What is the most complicated situation you have ever faced at work? Why?

5. Which do you prefer, working on your own or in a team?

If you have any upcoming interview, I recommend these related articles:
10 tips for a successful job interview
The intention behind interview questions
By the time you arrive at the interview you’ve already got the job (or not)
Laura Alcaraz Escribano
Development Department- ACCIONA Human Resources