Library Systems & Services Library Assistant interview questions

Application was filled out on their website. After 2 months I was asked to interview for the position. The process included three sets of interviews with various department heads. The final interview took place at the job site. They had given me the wrong directions so I was about 20 minutes late. As luck would have it, they were about an hour behind schedule. The interview itself was a panel of two managers and the head of the HR Dept. The interview was fairly grueling, and I was asked questions that I had no idea how to answer. Luckily, I think well on my feet...