Discussion :: Workshop Technology
- During cold working process
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A.
Grain structure is distorted |
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B.
Strength and hardness of metal increases |
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C.
Close dimensional tolerance can be maintained |
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D.
All of the above |
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Answer : Option D
Explanation :
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.
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