spot welding

The process shown in the opposite figure is:

• Riveting

• Marking

• Bending

• Spot welding

The name of the equipment shown in the opposite figure is:

• Gas Metal Arc Welding machine

• Rocker arm spot welding machine

• Press type spot welding machine

• Portable spot welding machine

The name of the part no. (1) is:

• Transformer

• Electrode

• Cooling water

• Sheet metal

The name of the part no. ( 1)  is:

• Transformer

• Electrode

• Cooling water

• Sheet metal

Spot welding electrode is made from:

• Copper

• Mild steel

• Stain less steel

• Aluminuim