WELDABILITY OF STEEL - Quiz

1) Which heat treatment process causes the reduction of brittleness in the steel?

By annealing By hardening By tempering By normalising

2) What is the cause of porosity in arc welding?

Damp electrodes Carbon electrodes Over size electrodes Low hydrogen electrodes

3) What is the welding defect in base metal gets melted and a groove formed along the toe of the weld?

Undercut Blow holes Reinforcementc Lack of penetration

4) What is the name of the steel material that is not weldable?

High carbon steel Medium carbon steel Austenitic stainless steel Ferrite and martensitic stainless steel

5) What is the defect due to non cleaning the surfaces before welding?

Over lap Lack of fusion Surface porosity Small cracks in bead