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Plumber Set-1
Welding
21

Welding MCQ with Answers

21) 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

Answer is:

Nozzle size no 13

Welding MCQ with Answers

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Related Welding MCQ with Answers

22) 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

Answer is:

2.0mm

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

1.6mm

2.0mm

3.15mm

6.03mm

Answer is:

6.03mm

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

Soft solder

Hard solder

Coarse solder

Fine solder

Answer is:

Hard solder

25) What is the alloy of soft solder?

Lead and copper

Lead and bronze

Lead and silver

Lead and tin

Answer is:

Lead and tin

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