03 · 41% of closed book

Drawings and welding symbols

AWS A2.4-style symbols used on Canadian shop drawings. This is the biggest slice of the fundamentals exam.

The welding symbol, piece by piece

Reference line, arrow, tail. Below = arrow side. Above = other side. Triangle vertical leg always on the left.

Glyphs you must recognise instantly

Fillet, square, V, bevel, U, J, flare, plug, spot, seam, surfacing, backing, melt-through.