Surface roughness from mechanical processing like
- flame cutting
- planning, shaping
- electron beam
- boring, turning
- barrel finishing
- electrolytic grinding
- roller burnishing
- sand casting
- hot rolling
- investment casting
- cold rolling, drawing
- die casting
are indicated in the diagram below:
Engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more.
Typical tolerances for floors, walls, columns and more.
Calculating volume flow and velcity in open conduits.
Comparing sandpaper grit size and surface roughness.
Machine processing and tolerance grades.
Calculate cross-sectional average velocity flow in open channels.
Manning's roughness coefficients for some common materials.
Calculate fluid flow friction coefficients from a Moody diagram.
Surface coefficients that can be used to calculate friction and major pressure loss for fluid flow with surfaces like concrete, galvanized steel, corroded steel and more.
Grit sizes ranging 12 - 600.
The relative scale of objects.
US commercial sieve sizes vs. mesh designations.
U.S. mesh size vs. surface roughness.