That was it? I could probably answer most of them based on the other 2 Boeing types I have. The FAA guidance for an oral says it should last 2 hours. Take out 15 minutes for the intros, paperwork and a performance problem and you need to be able to talk about the plane for over an hour and a half. I know a guy who has done entire 747-400 orals on the flap system and how it relates to other systems on the aircraft.
Oh, I forgot. The OP doesn't know who the FAA is.