During cold working process
A. Grain structure is distorted
B. Strength and hardness of metal increases
C. Close dimensional tolerance can be maintained
D. All of the above
Answer: Option D
Solution(By Examveda Team)
Cold working is the plastic deformation of metals below the recrystallization temperature. In most cases, such cold forming is done at room temperature. The major cold-working operations can be classified basically as squeezing, bending, shearing and drawing.Join The Discussion
Comments ( 1 )
Related Questions on Workshop Technology
The brass and bronze are welded by _________ flame.
A. Neutral
B. Oxidizing
C. Carburising
D. All of these
In TIG arc welding, the welding zone is shielded by an atmosphere of
A. Helium gas
B. Argon gas
C. Either (A) or (B)
D. None of these
In sheet metal blanking, shear is provided on punches and dies so that
A. Press load is reduced
B. Good cut edge is obtained
C. Warping of sheet is minimized
D. Cut blanks is straight
during cold working structure disorted completrly increase the surface finish strength yield strength tensile s ductility of component .
increase surface finish