Question

Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by

• A. Adjusting the duration of the current
• B. Adjusting the current
• C. Changing the electrode size
• D. Changing the electrode coating

Answer 1

The correct option is B Adjusting the current

On increasing current, heat generated could be increased, resulting into penetration to a greater depth.