General Studies · Manufacturing Process
In a hot working process of metals, which of the following statement is correct?
- 1High internal and residual stresses are developed in the metal.
- 2Uniformity of materials is lost and the mechanical properties are adversely affected.
- 3Internal cracks and blowholes are welded up.✓
- 4The possibility of crack formation and its propagation is very high.
Correct answer
Internal cracks and blowholes are welded up.
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