ACI Certification Study Guide 2026
Everything you need to pass the ACI Certification exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 ACI Certification Exam Format at a Glance
📚 ACI Certification Topics to Study (43)
✍️ Sample ACI Certification Questions & Answers
1. What does the fineness modulus (FM) of fine aggregate indicate?
FM is computed by summing cumulative percentages retained on a specified series of sieves and dividing by 100; higher values denote coarser material.
2. Which ASTM standard is the practice for making and curing concrete test specimens in the field?
ASTM C31 is the standard practice for making and curing concrete test specimens in the field; C192 covers laboratory fabrication.
3. Per ASTM C172, composite concrete samples shall NOT be taken from the first or last:
ASTM C172 requires that the first and last 10% of each load be excluded from sampling because these portions may not represent the bulk of the concrete.
4. When striking off excess concrete from the top of a unit weight measure per ASTM C138, the preferred instrument is:
A flat plate or piece of plate glass is used in a sawing and rolling motion to create a smooth, level surface on the unit weight container.
5. According to ACI 302.1R, what is the required F-number flatness rating for a 'superflat' floor used with guided vehicles in defined traffic lanes?
ACI 302.1R classifies superflat floors as requiring FF 100 / FL 50 in defined traffic areas; these floors are used in high-bay warehouses with wire-guided or rail-guided forklifts operating at speed.
6. What is the primary difference between ACI 301 'Specifications for Structural Concrete' and ACI 318 'Building Code Requirements for Structural Concrete'?
ACI 318 is the design code (typically adopted by jurisdictions into law) governing structural concrete design; ACI 301 is a reference specification that project owners and engineers incorporate into contract documents to govern construction quality.
🎯 Free ACI Certification Practice Tests
📖 ACI Certification Guides & Articles
- My ACI & VMware ACI: Complete Training Guide for American Concrete Institute Certification
- ACI Floor Flatness Standards: Complete Study Guide for ACI Certification
- My ACI Guide: Mass Concrete ACI Standards, Certification & American Concrete Institute Overview
- ACI Written Exam: Complete Study Guide for American Concrete Institute Certification
- ACI Field Level 1 Certification: Complete Study Guide & Practice Tests
- ACI Concrete Design: Long Term Deflection ACI Guide for Certification Success
- ACI Publications & My ACI Portal: Your Complete Guide to American Concrete Institute Resources
- My ACI: Cisco ACI Software Download Guide & American Concrete Institute Certification
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An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length ACI mock exam — 50 questions in 60 minutes with a 70% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
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- A printable ACI cheat sheet you can print or save as a PDF.
- ACI flashcards built from the same question bank.
- Free ACI practice tests with the correct answer shown after each question.