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Mig Welding - Test #1 Exam Questions and Answers 100% Pass

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Mig Welding - Test #1 Exam Questions and Answers 100% Pass GMA (MIG) plug welds: - join two or more lapped pieces together and are used to replace factory spot welds. Plug Weld Technique: - aiming the electrode at a 90 degree angle, at the base metal. Visual Inspection of a Plug Weld on the Front: - nugget height of no more than 3mm, with no crack, porosity, or undercut. Visual Inspection of a Plug Weld on the Back: - should show melt-through, no greater than 1.5mm. The Nugget Hole Diameter for a Plug Weld: - must be at least 5mm in an 8mm hole. GMA (MIG) fillet welds are: - triangular shaped beads deposited in a corner formed by a lap, corner, or T-joint. Fillet Weld Technique: - aimed at the base metal, with a 70 degree travel angle. Visual Inspection of a Fillet Weld on the Front: - joint completely filled with no cracks or undercut. no greater than 3mm. Visual Inspection of a Filler Weld on the Back: - must have melt-through evidence, width of 5mm or less, and height no more than 1.5mm.

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Institution: MIG Welding
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Uploaded on: April 6, 2025
Number of pages: 4
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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mig welding test 1 exam questions and answers 1

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Mig Welding - Test #1 Exam Questions
and Answers 100% Pass

GMA (MIG) plug welds: - ✔✔join two or more lapped pieces together and are used to
replace factory spot welds.

Plug Weld Technique: - ✔✔aiming the electrode at a 90 degree angle, at the base metal.

Visual Inspection of a Plug Weld on the Front: - ✔✔nugget height of no more than
3mm, with no crack, porosity, or undercut.

Visual Inspection of a Plug Weld on the Back: - ✔✔should show melt-through, no
greater than 1.5mm.

The Nugget Hole Diameter for a Plug Weld: - ✔✔must be at least 5mm in an 8mm hole.

GMA (MIG) fillet welds are: - ✔✔triangular shaped beads deposited in a corner formed
by a lap, corner, or T-joint.

Fillet Weld Technique: - ✔✔aimed at the base metal, with a 70 degree travel angle.

Visual Inspection of a Fillet Weld on the Front: - ✔✔joint completely filled with no
cracks or undercut. no greater than 3mm.

Visual Inspection of a Filler Weld on the Back: - ✔✔must have melt-through evidence,
width of 5mm or less, and height no more than 1.5mm.

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