WELDABILITY OF STEEL - Quiz

1) Why deposited bead is not in uniform size?

Incorrect flame setting Wrong angle of blow pipe Wrong angle of filler rod Variation in speed of travel and angle

2) Which element is present in contact electrodes in large proportion?

Carbon Silicon Manganese Iron powder

3) Which size of filler rod should be used to weld 2.5mm thickplates,using nozzle 5 by leftward technique?

1.60 mm 2.00 mm 2.50 mm 3.15 mm

4) Which process causes the increase in the strength of part after fabrication?

Hardening Tempering Quenching Normalising

5) How the repairs of cracks in cast iron component carried out?

By using clamps during welding process Similar to arc welding mild steel plate Local preheating, leftward welding technique flame heating each layer Cracks repaired using appropriate electrode