In a previous life, I was a mechanical engineer and interviewed at an engine research company. I know a lot about engines but the three engineers interviewing

In a previous life, I was a mechanical engineer and interviewed at an engine research company. I know a lot about engines but the three engineers interviewing me were world experts. Format was me standing in front of a whiteboard and the panel firing questions at me, picking apart my answers and bottoming out my knowledge. It was all very high stress with questions and answers going back and forth. There was a long pause which was broken by one of the engineers asking: "Do you drink beer?" I didn't get the job.