I know there's still several questions on power plant written exams on radials, super chargers, wood structures, and fabric. I think I got a couple oral questions on fabric and that was about it. Fabric airplanes, old engines, radials and the like are what I really enjoy and spend a fair amount of my time around so I wouldn't have minded getting more on that stuff.
The oral was pretty intensive as it just covers sooo much material. The way mine was structured, I received four questions for each topic. If I got 3 right, I passed the topic and moved on. If missing more then they'll pull out more questions to dig deeper and see if that section is a failure or not. I think I missed 3 total questions on the oral and never needed more than the four for any given area. I prepared quite a bit, especially for those areas that I haven't had much exposure or interest (jets) and it paid off.
My practical assignments all seemed to me to be relevant and typical daily work for a GA mechanic. Off the top of my head, I recall being assigned to perform a 100 hour inspection firewall foreword on a 182 (that had several issues), corrosion inspection on an aircraft with lots of examples of different types, doing AD research and inspections (with some spotty and wrong paperwork thrown in), inspecting bearings, replacing parts on an Allison 250, testing a variety of electrical circuits and components both standalone and as installed on an aircraft, replacing seals and servicing a hydraulics piston, repairing a punctured aluminum skin (clearing damage, fabricating patch, bucking rivets), dressing a prop, removing and replacing control surfaces, re-lining brakes, servicing de-ice boots, and others I'm not recalling right now. All assignments consisted of me getting a sheet of paper with the assignment and being pointed in the direction of the equipment assigned. I took my own box for comfort but if I needed some other tools I could request them. I was also expected to ask for any service manuals, TCDS, or other references I would need to perform the task correctly and legally.