(a) Define THREE (3) types of forging process according to a working temperature. [6 marks) (b) Figure Q2 (b) shows the

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A Define Three 3 Types Of Forging Process According To A Working Temperature 6 Marks B Figure Q2 B Shows The 1 (39.13 KiB) Viewed 19 times

(a) Define THREE (3) types of forging process according to a working temperature. [6 marks) (b) Figure Q2 (b) shows the schematic illustration of extrusion process. i. Describe THREE (3) types of extrusion process. [6 marks) ii. Estimate the force required in extruding a round billet copper at 600 °C, if the initial and final billet diameters are 150 mm and 80 mm, respectively. Refer to Appendix A for the constant value in MPa unit. [4 marks] iii. Describe TWO (2) types of extrusion defect. [4 marks] Container liner Container Billet Die Pressing stem Die backer Extrusion Dummy block Figure Q2 (b): Schematic illustration of extrusion process