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Welder
Welder Set-1
Gas Metal Arc Welding
66

Gas Metal Arc Welding MCQ with Answers

66) Which type of electrodes are used in MAG/CO₂ welding?

Flux coated electrodes

Bare wire electrode

Flux cored electrodes

Guided bend test Guided bend test Tungsten electrode

Answer is:

Bare wire electrode

Gas Metal Arc Welding MCQ with Answers

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Related Gas Metal Arc Welding MCQ with Answers

67) What is the range of electrode for MAG / CO₂ welding?

0.8 to 1.6 mm

0.7 to 1.3 mm

0.6 to 0.9 mm

0.5 to 0.7 mm

Answer is:

0.8 to 1.6 mm

68) What type of operation is generally used in GMAW?

Automatic

Semi automatic

Fully automatic

Manual method

Answer is:

Semi automatic

69) Which heat treatment of steel increases hardness, but decreases strength and ductility?

Annealing

Hardening

Normalising

Case hardening

Answer is:

Hardening

70) Which heat treatment process produces only outer surfaces of job hardened, to some depth?

Annealing

Hardening

Normalising

Case hardening

Answer is:

Case hardening

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