WELDABILITY OF STEEL - Quiz

1) What is the grade of hacksaw blades with pitch 0.8mm?

Fine Medium Course Rough

2) What does the letter ?X? indicate in the electrode classification of EB5426 H1 J X?

Covered electrode Increase metal recovery Hydrogen controlled electrode Radio graphic quality electrode

3) What is the percentage of carbon in medium carbon steel?

0.05% to 0.30% 0.05% to 0.8% 0.30% to 0.6% 0.6% to 1.2%

4) What is the defect of metal flowing into the surface of base metal without fusing it?

Over lap Under cut Lack of fusion Lack of penetration

5) Which one of the defect is caused by low current in arc welding?

Poracity Under cut Lack of fusion Excessive penetration