questions from corrosion were asked which included the basic definition of corrosion, types of corrosion, and explanation (in-depth) of certain kinds of corrosion. Then questions on various heat treatment questions were asked followed by basic 3-4 HR questions.

The interview process at ExxonMobil typically involves multiple stages, starting with an online test that assesses aptitude and basic technical knowledge relevant to your branch, such as heat exchangers, distillation, fluid mechanics, and process calculations for chemical engineers. For some positions, a group discussion may follow, especially in campus recruitments, to evaluate communication, teamwork, and problem-solving skills. Successful candidates then face technical and HR rounds, where interviewers ask questions about your internship, projects, and core engineering concepts, often probing your understanding of processes, troubleshooting, and optimization. In the HR or behavioral rounds, the focus is on your teamwork, leadership, conflict management, and motivation, with questions framed in a STAR (Situation, Task, Action, Result) format. Candidates report that interviewers are professional and supportive, emphasizing clarity of thought, communication, and logical reasoning. Preparation tips include revisiting fundamentals of chemical engineering, being ready to discuss internship experiences in detail, preparing several behavioral stories, and showing alignment with ExxonMobil’s business, innovation, and sustainability goals. Overall, the process is structured but moderate in difficulty, with equal weight on technical knowledge and behavioral fit.