Plastic can be welded by the following process | Mechanical Engineering Questions for Interview
A. TIG Welding
B. MIG Welding
C. Electron beam welding
D. Ultrasonic welding
Answer:D
Plastic can be welded by the following process | Mechanical Engineering Questions for Interview
A. TIG Welding B. MIG Welding C. Electron beam welding D. Ultrasonic welding
Explanation: Ultrasonic welding is a technique suitable for joining both similar and dissimilar metal workpiece or welding a piece of metal to a metalized substrate such as ceramics or glass. The weld formation is caused by the application of external pressure and ultrasonic vibrations.