Explore a comprehensive 12-hour course on welding techniques and processes in mechanical engineering. Gain in-depth knowledge of various welding classifications, including gas welding, thermit welding, resistance welding, and arc welding methods such as TIG, MIG, and SAW. Delve into submerged and shielded metal arc welding, solid-state welding processes, and learn about soldering and brazing techniques. Examine welding defects, electrodes, weld symbols, and testing procedures. Designed to prepare students for the RRB JE (Railway Recruitment Board Junior Engineer) exam, this course offers a thorough understanding of welding fundamentals and advanced concepts essential for aspiring mechanical engineers.