​Why Are Plug Welds Used on Thin Sections of Metal

question 36

Multiple Choice

​Why are plug welds used on thin sections of metal?

• A) ​Because the edge of the thin plate is easily melted away.
• B) ​To make it easier to make overhead welds.
• C) ​So that 100% root penetration welds can be made in all positions.
• D) ​It is a way of saving filler metal.

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Definitions:

Shims

Thin pieces of material used to fill small gaps or spaces between objects, often for adjustment, leveling, or support purposes.

Dowels

Small, cylindrical rods inserted into a hole to either join parts together or to provide a location and alignment.

Cylinders

Geometric shapes or mechanical parts that are solid and have straight parallel sides with a circular or oval cross-section and equally shaped ends.

Drill Bits

Cutting tools used to remove material to create holes, almost always of circular cross-section.