ACI Adhesive Anchor Installer Certification Practice Exam

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Prepare for the ACI Adhesive Anchor Installer Certification Exam. Revise with multiple-choice questions, detailed explanations, and expert tips. Enhance your skills and ensure you're well-prepared for the certification!

Practice this question and more.

What characteristics should the stiff metal or nylon brushes used for hole cleaning possess?

Curling and worn bristles
Soft and flexible bristles
Full, straight, clean, and free of contaminants
Any condition is acceptable

The correct answer is: Full, straight, clean, and free of contaminants

The stiff metal or nylon brushes used for hole cleaning should possess characteristics that ensure effective performance. Brushes that are full, straight, clean, and free of contaminants are essential for achieving proper adhesion of the adhesive anchors. When cleaning the hole, any debris, dust, or particles left behind can significantly compromise the bond between the adhesive and the substrate. Using brushes in good condition allows for thorough cleaning, which is critical to creating a surface that facilitates maximum bonding strength of the adhesive. Brushes that are worn out, curling, or contaminated can leave residues that negatively impact the performance of the adhesive, leading to potential failure of the anchor installation. Therefore, maintaining brushes in excellent condition is paramount for achieving optimal results in adhesive anchor installation.