The slow forcing of material under high pressure through a die reduce its diameter. This process is generally performed in a hydraulic press. Lead wire used in bullet making is extruded. Impact extrusion can be used to make bullet jackets and cartridge cases.
A. Extrusion
B. Swagging
C. Drawing
D. Stamping
Answer:A
The slow forcing of material under high pressure through a die reduce its diameter. This process is generally performed in a hydraulic press. Lead wire used in bullet making is extruded. Impact extrusion can be used to make bullet jackets and cartridge cases.
A. Extrusion B. Swagging C. Drawing D. Stamping