WELDING - Quiz

1) What size of nozzle number is used to weld 5mm thick plate?

Nozzle size no 7 Nozzle size no 10 Nozzle size no 13 Nozzle size no 18

2) What is the diameter of filler rod used to weld 2.5mm thick mild steel by leftward technique?

1.6mm 2.0mm 2.5mm 3.15mm

3) What size of thickness metal used only in rightward technique?

1.6mm 2.0mm 3.15mm 6.03mm

4) What type of solder is used for soldering in heavy (thick) metals?

Soft solder Hard solder Coarse solder Fine solder

5) What is the alloy of soft solder?

Lead and copper Lead and bronze Lead and silver Lead and tin