Thread rolling is restricted to
A. Ferrous materials
B. Ductile materials
C. Hard materials
D. None of these
Answer: Option B
Solution (By Examveda Team)
Materials are limited to ductile materials because the threads are cold formed. .Also, materials with good deformation characteristics are necessary for rolling; these materials include softer (more ductile) metals and exclude brittle materials, such as cast iron.
This Question Belongs to Mechanical Engineering >> Workshop Technology
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