Online application and Psychometric test. Make sure you go through the practice test multiple times to get familiar with the presentation of questions. Assessment Centre is the last stage. There was a 5 minute presentation about why you choose Rolls-Royce, why you choose the particular role and how you think the business can be improved. They had follow up questions about recent news about Rolls-Royce and other questions about the business. This was followed by a technical interview for an hour. They keep asking until you break so that they can test the depth of your knowledge. The group activity was the third activity.