engineering recuitment HPCL Junior Executive 2025 Mock Test Production Engineering (Manufacturing) Metal Forming Extrusion
Which one of the following statements is not correct for forward or direct extrusion process ?
1
High friction forces must be overcome.
2
High extrusion forces are required but mechanically simple and uncomplicated.
3
Low scrap or material waste only 5 - 6% of billet weight.
4
Simple, but the material must slide along the chamber wall.