Engineering School on Instagram: "Types of Piston Rings Explained | Compression Ring, Oil Control Ring & Scraper Ring Piston rings are small but very important parts of an engine. 🚗⚙️ In this reel, we explain the types of piston rings and their functions in a simple way: • Compression Ring – seals combustion pressure • Scraper Ring – controls excess oil • Oil Control Ring – maintains lubrication Perfect for mechanical engineering students, technicians, and automobile lovers. Piston ring types C