1. AASHTO R 90/ASTM D75—Standard Method of Test for Sampling of Aggregates
Key exam domainIdentify weak areas and improve with focused review.
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2. AASHTO R 76/ASTM C702—Standard Method of Test for Reducing Samples of Aggregate to Testing Size
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing3. AASHTO T 11/ASTM C117—Standard Method of Test for Materials Finer than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing4. AASHTO T 27/ASTM C136—Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing5. AASHTO T 85/ASTM C127—Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing6. AASHTO T 84/ASTM C128—Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing7. AASHTO T 255/ASTM C566—Standard Method of Test for Total Evaporable Moisture Content of Aggregate by Drying
Key exam domainIdentify weak areas and improve with focused review.
Start Practicing8. AASHTO T 21/ASTM C40—Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete
Key exam domainIdentify weak areas and improve with focused review.
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Straight answers about the ACI-AGGREGATE-L1 exam, the questions, pricing, the free trial, and how this fits your prep.
The ACI-AGGREGATE-L1 exam spans 8 domains - AASHTO R 90/ASTM D75—Standard Method of Test for Sampling of Aggregates, AASHTO R 76/ASTM C702—Standard Method of Test for Reducing Samples of Aggregate to Testing Size, AASHTO T 11/ASTM C117—Standard Method of Test for Materials Finer than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing, AASHTO T 27/ASTM C136—Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates, AASHTO T 85/ASTM C127—Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate, AASHTO T 84/ASTM C128—Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate, AASHTO T 255/ASTM C566—Standard Method of Test for Total Evaporable Moisture Content of Aggregate by Drying, and AASHTO T 21/ASTM C40—Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete. Every practice question maps to one of them, so you train on exactly what's tested.
No - and that matters. These are original practice questions written to mirror the style, difficulty, and domain coverage of the ACI-AGGREGATE-L1 exam blueprint. We never distribute actual exam content, so practicing here keeps you fully compliant with official exam policies.
No. ACI-AGGREGATE-L1 Exam Prep is an independent study resource for Aggregate Testing Technician-Level 1 (ACI-AGGREGATE-L1). It is not affiliated with, sponsored by, or endorsed by the official certifying body or exam administrator.
Every paid plan unlocks the full bank of 1,000+ practice questions covering all 8 ACI-AGGREGATE-L1 domains - AASHTO R 90/ASTM D75—Standard Method of Test for Sampling of Aggregates, AASHTO R 76/ASTM C702—Standard Method of Test for Reducing Samples of Aggregate to Testing Size, AASHTO T 11/ASTM C117—Standard Method of Test for Materials Finer than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing, AASHTO T 27/ASTM C136—Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates, AASHTO T 85/ASTM C127—Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate, AASHTO T 84/ASTM C128—Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate, AASHTO T 255/ASTM C566—Standard Method of Test for Total Evaporable Moisture Content of Aggregate by Drying, and AASHTO T 21/ASTM C40—Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete. You can practice the whole bank, filter by domain, or run a timed, domain-balanced exam simulation.
Yes - the bank is maintained against the current exam outline, and questions are revised when the exam changes.
No honest practice platform can guarantee a pass. What realistic practice does is show you - before exam day - exactly which domains are weak, and give you the repetitions to fix them. That's the difference between hoping you're ready and knowing where you stand.
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Real feedback from ACI-AGGREGATE-L1 candidates on Reddit.
"passed my written last week. honestly wasnt sure id make it thru the T27 sieve analysis questions since i always mix up the sizes but the practice sets on l1study.com had so many of those i just started recognizing the pattern. relief more than anything."
"put off studying for like 3 weeks then panicked. the mistake review feature saved me, kept showing me the same specific gravity questions i kept blowing and i finally got why my absorption calcs were off. barely scraped by on that section but passed overall."
"did the performance exam same week as written which was dumb of me. studied on my lunch breaks with the mock exams, they mirror the actual test format pretty close. didnt love the open book format but knowing where stuff was in the workbook helped alot."