1. Metal forming decreases harmful effects of impurities and improves mechanical strength. |
2. Metal working process is a plastic deformation process. |
3. Very intricate shapes can be produced by forging process as compared to casting process. |
A) 1, 2 and 3
B) 1 and 2 only
C) 2 and 3 only
D) 1 and 3 only
Correct Answer: A
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