HII Nuclear Engineer interview questions

HR contacted me by phone to confirm interest and set up an interview date; a few weeks later they had me come down to Virginia for an interview-flight, car and hotel were paid for, everything else was eligible for reimbursement. All contact after the initial phone call was by e-mail. I interviewed with 3 engineering divisions-mechanical, nuclear & systems. Each interview took about 45 minutes, opened with the interviewer describing what he needed, asking me to explain how I was qualified then going through maybe a half-dozen questions tailored to his department and asking if I had any questions of my own. There were about 6 other nuclear engineers and maybe 40 or 50 non-nuclear engineers interviewing with me; we all had our interviews concurrently, in the same conference room.