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Welder
Welder Set-1
Gas Metal Arc Welding
42

Gas Metal Arc Welding MCQ with Answers

42) Which electrode wire is more suitable for carbon steel fabrication in GMAW process?

70S - 6

70T - 2

70S - 2

70S - 3

Answer is:

70S - 6

Gas Metal Arc Welding MCQ with Answers

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Related Gas Metal Arc Welding MCQ with Answers

43) Which metal transfer process in GMAW produces strong weld with least spatter?

Spray transfer

Globular transfer

Dip transfer

Pulsed transfer

Answer is:

Pulsed transfer

44) Why the argon and CO₂ mixing gas used in FCAW?

Smooth spray transfer of melt

Smooth globular transfer

Smooth pulsed transfer

Smooth dip transfer

Answer is:

Smooth spray transfer of melt

45) How the pre-heating temperature is checked before welding wrought iron or cast metals?

Flow of spatters

Size of blow holes

Temperature indicating crayon

Count of pin holes

Answer is:

Temperature indicating crayon

46) Which is the operation to relieve residual stresses from the welding joint?

Pre-heating

Peening

Drilling

Post heating

Answer is:

Post heating

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