ACI logo
Focused certification exam prep
Pass your ACI certification

Free ACI Practice Test

Pass the ACI Concrete Field Testing Technician Grade I exam with confidence.

Start with a free ACI practice test and build exam-ready confidence for the ACI Concrete Field Testing Technician Grade I exam.

4.9/5 from 2,400+ candidates
No signup to begin No credit card Instant scoring
1000+ACI Questions
7Exam Domains
10Free Questions
2026Updated
What you get

Everything your ACI certification prep needs

Practice expert-vetted questions, find your weak domains, and turn every mistake into a focused review plan.

Expert-vetted questions

Every question is reviewed by an experienced ACI professional for clarity, accuracy and practical exam relevance.

See what to study next

Domain analytics show which parts of the exam blueprint are holding you back.

Turn mistakes into confidence

Missed questions become a review list, so nervous guessing turns into focused repetition.

1,000+ exam-realistic questions
All 7 ACI domains
Weighted to the exam blueprint
Clear answer explanations
Updated for the 2026 exam
Instant, one-time access
Know where you stand

Your exam readiness

Track your readiness, domain strengths, and recent results at a glance.

Your exam readiness

--%Ready
 
Keep practicing to build consistency and confidence.
Domain performance
Recent quiz performance

Recommended study plan

Your daily goal
20 questions
Current streak
0 🔥
0 / 20 completed
Keep it going! Consistency is the key to passing.

Your progress at a glance

0%Overall score
0Questions answered
0%Avg. accuracy
This is a preview of your analytics Track your real exam readiness, weak domains, and quiz history with Fast Track and Pass Confidence.
Study by domain

Practice the ACI exam by domain

1. ASTM C1064/C1064M — Temperature of Freshly Mixed Hydraulic-Cement Concrete

Key exam domain

Identify weak areas and improve with focused review.

Start Practicing

2. ASTM C172/C172M — Sampling Freshly Mixed Concrete

Key exam domain

Identify weak areas and improve with focused review.

Start Practicing

3. ASTM C143/C143M — Slump of Hydraulic-Cement Concrete

Key exam domain

Identify weak areas and improve with focused review.

Start Practicing

4. ASTM C138/C138M — Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete

Key exam domain

Identify weak areas and improve with focused review.

Start Practicing

5. ASTM C231/C231M — Air Content of Freshly Mixed Concrete by the Pressure Method

Key exam domain

Identify weak areas and improve with focused review.

Start Practicing

6. ASTM C173/C173M — Air Content of Freshly Mixed Concrete by the Volumetric Method

Key exam domain

Identify weak areas and improve with focused review.

Start Practicing

7. ASTM C31/C31M — Making and Curing Concrete Test Specimens in the Field

Key exam domain

Identify weak areas and improve with focused review.

Start Practicing
Built for practice, not passive reading Active recall and repetition build real exam-day readiness.
Written to match the real exam Every question mirrors the style, difficulty, and phrasing of the actual ACI exam.
Aligned to the ACI blueprint Weighted across every exam domain, so you practice exactly what's tested.
Choose your prep window

Pick the plan that matches your exam date

Tell us when your exam is and the plan that fits lights up. Every plan unlocks the full question bank; analytics and longer access scale with your timeline.

When is your exam?

Secure checkout

Your payment is safe and encrypted

Instant access after payment

Start practicing right away

One-time payment, no recurring billing

Pay once, access until your plan expires

Before you decide

Frequently asked questions

Straight answers about the ACI exam, the questions, pricing, the free trial, and how this fits your prep.

The ACI exam spans 7 domains - ASTM C1064/C1064M — Temperature of Freshly Mixed Hydraulic-Cement Concrete, ASTM C172/C172M — Sampling Freshly Mixed Concrete, ASTM C143/C143M — Slump of Hydraulic-Cement Concrete, ASTM C138/C138M — Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete, ASTM C231/C231M — Air Content of Freshly Mixed Concrete by the Pressure Method, ASTM C173/C173M — Air Content of Freshly Mixed Concrete by the Volumetric Method, and ASTM C31/C31M — Making and Curing Concrete Test Specimens in the Field. Every practice question maps to one of them, so you train on exactly what's tested.

The ACI Concrete Field Testing Technician Grade I (ACI) exam has 55 questions and is completed in 1 hour. Our timed practice tests mirror that length and pacing, so exam day feels familiar.

No - and that matters. These are original practice questions written to mirror the style, difficulty, and domain coverage of the ACI exam blueprint. We never distribute actual exam content, so practicing here keeps you fully compliant with official exam policies.

No. ACI Exam Prep is an independent study resource for ACI Concrete Field Testing Technician Grade I (ACI). It is not affiliated with, sponsored by, or endorsed by the official certifying body or exam administrator.

What candidates say

Trusted by ACI candidates

Real feedback from ACI candidates on Reddit.

★★★★★
Sourced from Reddit

"wasnt sure if i needed a study site for this one but glad i used aciexam.com. the practice questions on unit weight and yield were exactly what showed up on the written. passed first try, no drama."

r/Construction Posted on Reddit
★★★★★
Sourced from Reddit

"honestly i put off studying for like two weeks and then panicked the night before. found this site, ran thru the practice questions a few times, paid extra attention to the slump test steps since i always mix up the tamping rod details. written portion was fine."

r/civilengineering Posted on Reddit
★★★★★
Sourced from Reddit

"did the practice tests twice, checked my wrong answers, felt alot more ready for the temperature and sampling questions than i expected. the exam is only an hour so you dont want to go in guessing."

r/AskEngineers Posted on Reddit

Ready to test your ACI knowledge?

Start your free 10-question practice test now and get instant results.

No credit card required

Ready to pass your ACI exam?

Unlock full-length timed mock exams and domain analytics to find and fix your weak spots before exam day.

1,000+ exam-style questions in every plan