Stop searching for a magical PDF. Instead, download the FAA Airframe & Powerplant General Handbook (it’s free) and take the practice quiz at the end of Chapter 1. That single chapter quiz is better than 10 generic "CAT past papers."
Many students ask: "Can't I just read the textbook?" While manuals like the A&P General Handbook are essential, they are passive learning tools. Past papers are active learning weapons. Here is why they are indispensable: amt cat past papers