ACI Concrete Strength Testing Technician Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the ACI Concrete Strength Testing Technician Vocabulary Games
4 free word games built on 20 ACI Concrete Strength Testing Technician terms across 4 topics. Every game deals terms at random and shows what each term means, so you can keep playing as long as you like.
How to Play
- 1.Read the clue and type the term (3 to 6 letters).
- 2.Green: right spot. Yellow: wrong spot. Gray: not in the term.
- 3.Solve it in 6 tries, then read the explanation.
- 1.Swap two neighboring tiles to line up 3 of the same term.
- 2.Longer lines, two lines at once and chains score more.
- 3.Play until no swap can make a line.
- 1.Flip two cards. A matching pair stays face up.
- 2.Each pair you find shows what the term means.
- 3.Clear the board in as few moves as you can.
- 1.Find each listed term in the letter grid.
- 2.Drag across its letters: across, down or diagonally.
- 3.Find all five as fast as you can.
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Topics in the ACI Concrete Strength Testing Technician Vocabulary Game
C39 testing
C78 flexure
C617 practice
C1231 caps
Sources for these terms (6)
- ASTM C39/C39M-26 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens · Source checked 2026-11-03
- ASTM C78/C78M-22 Standard Test Method for Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading) · Source checked 2026-11-03
- ASTM C617/C617M-23 Standard Practice for Capping Cylindrical Concrete Specimens · Source checked 2026-11-03
- ASTM C1231/C1231M-23 Standard Practice for Use of Unbonded Caps in Determination of Compressive Strength of Hardened Cylindrical Concrete Specimens · Source checked 2026-11-03
- ASTM E4-24 Standard Practices for Force Calibration and Verification of Testing Machines · Source checked 2026-11-03
- Job-Task Analysis (JTA) for ACI Concrete Strength Testing Technician Certification · Source checked 2026-11-03
About the ACI Strength Testing Exam
ACI laboratory certification for technicians performing compressive, flexural, and related strength testing of hardened concrete. ASTM C39 accepts it as satisfying the C1077 technician requirement for acceptance testing.
Exam sponsor: American Concrete Institute. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
Closed-book written exam (~40 multiple-choice, 1 hour) plus a performance exam demonstrating ASTM C39, C78, C617, and C1231 procedures
Time Limit
1 hour (written) + performance exam
Passing Score
70% overall, 60% minimum per section
Exam / Certification Fees
$360 (complete exam only; $210 written-only, $250 performance-only at most ACI chapters)
Exam sponsor websiteFees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the ACI Strength Testing vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How do the ACI Strength Testing vocabulary games work?
There are 4 games built on 20 ACI Strength Testing terms. In Guess the Term, a clue describes one term and you have six tries to spell it, with green, yellow and gray letters showing how close you are. In Term Match, six terms appear as colored tiles; swap neighbors to line up three or more of the same term, and each match shows what the term means. In Term Pairs, twelve face-down cards hide six pairs of terms; flip two at a time to find each pair, and every pair you find shows what the term means. In Term Search, five terms hide in a grid of letters, reading across, down or diagonally; drag across a term to circle it, and each term you find shows what it means.
Where do the ACI Strength Testing terms come from?
OpenExamPrep researched each term from the American Concrete Institute content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
What does the ACI Concrete Strength Testing Technician certification cover?
The credential covers four ASTM practices for laboratory strength testing of hardened concrete: C39/C39M (compressive strength of cylinders), C78/C78M (flexural strength by third-point loading), C617/C617M (sulfur mortar capping), and C1231/C1231M (unbonded neoprene caps). It does not cover field sampling — that is the Concrete Field Testing Technician Grade I credential.
What is the ACI Concrete Strength Testing Technician exam format?
The exam has two parts. The written exam is closed-book, one hour long, and contains approximately 40 multiple-choice questions, with at least eight questions on each of the four ASTM practices and test methods. The performance exam requires the candidate to physically demonstrate C39, C78, C617, and C1231 procedures on actual equipment in front of an examiner.