Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 5 (Q.No. 4)
4.
Extrusion
is extensively used for making bolts and nuts
is used for reducing the diameter of round bars and tubes by rotating dies which open and close rapidly on the work
is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Salahuddin said:   5 years ago
A - Cold heading or else Upsetting.
B - Rotary Swagging.
C - Shot peening.

Vijay Vyas said:   6 years ago
Right, Thanks @Bidhan.

BIDHAN said:   6 years ago
A for Cold Heading.
B for Rotatory swing.
C for Sheert peening.

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