The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)
The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded) Correct Answer $$\sqrt {\text{t}} $$
The electrode tip diameter (d) in spot welding should be equal to $$\sqrt {\text{t}} $$ .