ACI Aggregate Testing Technician (ATT) Certification Exam
The ACI Aggregate Testing Technician certification validates competency in performing ASTM and AASHTO aggregate sampling, gradation, and physical property tests on fine and coarse aggregates used in concrete and construction materials.
100
Questions
120 min
Time Limit
70%
To Pass
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Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds