The specific interview questions asked during a Ph.D. interview in thermal engineering at IIT Madras may vary based on the particular research interests of the applicant and the research interests of the faculty members conducting the interview. However, some possible general interview questions that may be asked in a Ph.D. interview in thermal engineering at IIT Madras are:

• What motivated you to pursue a Ph.D. in thermal engineering at IIT Madras, and how do your background and experience prepare you for this program?
• What is your research interest in thermal engineering, and what research projects have you undertaken in this field?
• Can you describe your knowledge and experience in the use of simulation and experimental techniques in thermal engineering?
• What do you think are the major challenges in thermal engineering, and how do you plan to address them through your research?
• Can you discuss a paper or project that you have done in thermal engineering and explain its significance in the field?
• Can you describe a time when you encountered a problem in your research, and how did you go about solving it?
• What are your future career goals, and how do you think a Ph.D. in thermal engineering from IIT Madras will help you achieve them?

It is important for the applicant to thoroughly research the specific research interests of the faculty members they are interested in working with, as well as the current research being conducted in the department, to prepare for the interview