question_answer

Consider the following statements:

MIG welding process uses

1. Consumable electrode

2. Non-consumable electrode

3. D. C power supply

4. A. C power supply.

Of these statements:

A) 2 and 4 are correct         

B) 2 and 3 are correct

C) 1 and 4 are correct         

D) 1 and 3 are correct