Advance Coating Practice Test

Surface profiles describes what?

The level of surface roughness required after abrasive blasting The color of the surface The substrate hardness The environmental humidity

Correct Answer:

The level of surface roughness required after abrasive blasting

Explanation:

Surface profile is the level of roughness or texture created on a surface after abrasive blasting. That roughness creates anchors the coating can grip to, which is essential for proper adhesion and long-term performance. It’s not about color, hardness, or humidity. Instead, it’s quantified as a profile height or roughness value (such as Ra, Rp, or Rz) in units like micrometers or microinches, and standards specify the required profile to ensure the coating will bond correctly.

Access more questions from this quiz

Continue to Advance Coating Practice Test for more practice questions and the full quiz experience.

Access More Questions