Cnpc AI/ML Intern interview questions

They scheduled one long interview which started with HR questions, followed immediately by a technical interview conducted by a panel that consisted of my direct hiring manager, 3 people from the team I would work with, and one Data Scientist. The Data Scientist asked me questions about my ML projects, and the rest of the team did a short case study with some domain-related problems and asked me to recommend ML solutions. It lasted around 1 hour, maybe little more or less.