GAS METAL ARC WELDING - Quiz

1) How much time it takes for the thermit mould to cool, after welding by thermit process?

7 Hrs 9 Hrs 10 Hrs 12 Hrs

2) What is the reason that obstructed joints cannot be welded by electron beam welding process?

Electron beam travel in curved line Electron beam travel in different direction Electron beam travel only in straight line Electron beam travel in circular line

3) How much gas flow rate is required to weld a butt joint with 0.8 mm dia MS filler rod of wire feed rate 3 - 4 m/min at 18 to 20 volts?

to 8 Lpm 8 to 10 Lpm 10 to 12 Lpm 12 to 14 Lpm

4) What should be the initial angle of two plates in a T joint if the final angle between them is 90 Degree after completion of welding?

93 Degree 90 Degree 85 Degree 75 Degree

5) What is percentage of deposition efficiency in FCAW process?

93% to 97% 80% to 86% 70% to 76% 60% to 67%