question_answer

Consider the following statements:

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.

Which of the statements given above are correct

A) 1, 2 and 3                     

B) 1 and 2 only

C) 2 and 3 only                 

D) 1 and 3 only