Dive into a comprehensive 7-hour lecture series on welding, designed to prepare you for competitive exams like GATE. Master various welding techniques, from arc and resistance welding to advanced methods like electron beam and laser welding. Explore welding classifications, terminology, electrode designations, and problem-solving techniques. Learn about welding defects, zones, and efficiency calculations. Cover essential topics such as TIG, MIG, PAW, submerged arc welding, and solid-state welding processes. Gain the knowledge and skills needed to confidently tackle objective questions in welding-related competitive exams.