Question

6. Which of the following is not a cold extrusion process?
a) Cold extrusion forging
b) Impact extrusion
c) Hydrostatic extrusion
d) Cold rolling​

Answer 1

Answer:

opition a

Explanation:

Cold extrusion is done at room temperature or near room temeprature. The processes, impact extrusion, hydrostatic extrusion andcold extrusion forging are the types of cold forging.