Consider the following statements:
In metal arc welding
1. Utilizes a consumable electrode
2. A welding torch used is connected to acetylene gas supply
3. The electrode and work-piece are connected to the welding power supply.
Which of these statements are correct?
(a) 1, 2 and 3 (b) 1 and 2 only
(c) 1 and 3 only (d) 2 and 3 only