ACI Adhesive Anchor Installer Certification Practice Exam

In what condition should the embedment depth marking on an anchor be?

1. Obscured

2. Deeply engraved

3. Visible and clean

4. Faded

The correct answer is: Visible and clean

The embedment depth marking on an anchor is crucial for ensuring proper installation and performance. The marking should be visible and clean, which allows the installer to easily verify that the anchor has been embedded to the correct depth during installation. This visibility helps avoid mistakes that could arise from misreading or misunderstanding the marking, ultimately ensuring that the anchor performs as intended under load. Having a clean and visible marking also facilitates inspections and ensures compliance with specifications and safety standards. If the marking is obscured or faded, it may be difficult to accurately assess the installation, which can lead to issues such as inadequate load capacity or premature failure of the anchor system. Deeply engraved markings may be difficult to read, especially in conditions with limited visibility or in high-stress environments where the accuracy of installation is paramount. Thus, maintaining a clearly visible and clean embedment depth marking is essential for both safety and performance.