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Welder
Welder Set-1
Weldability of Steel
73

Weldability of Steel MCQ with Answers

73) What is the purpose of cleaning of sheets before doing gas welding?

To avoid over lap

To avoid porosity

To avoid under cut

To Control distortion

Answer is:

To avoid porosity

Weldability of Steel MCQ with Answers

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Related Weldability of Steel MCQ with Answers

74) Which type welding uses a non - ferrous filler with melting point above 450 Degree, than base metal?

Brazing

Soldering

Arc welding

Gas welding

Answer is:

Brazing

Which type welding uses a non - ferrous filler with melting point above 450 Degree, than base metal?

75) Which welding process enables to weld dissimilar metals?

Brazing

Seam welding

Spot welding

Fusion welding

Answer is:

Brazing

Which welding process enables to weld dissimilar metals?

76) What type of gas flame is used to weld 2mm mild steel by brazing method?

Neutral flame

Carburising flame

Oxidising flame

Oxy-hydrogen flame

Answer is:

Oxidising flame

77) Which system of welding is free from 'Arc blow'?

AC welding

DC Reverse polarity

DC straight polarity

Welding with long arc

Answer is:

AC welding

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