ACI Concrete Field Testing Technician Grade I (ACI Grade I) | 2026 Exam Prep | 170+ Practice Questions & Answers | ASTM C172, C1064, C143, C138, C231, C173, C31 | Concrete Field Testing Certification

Prepare confidently for the ACI Concrete Field Testing Technician – Grade I Certification with this comprehensive study guide featuring 170+ carefully compiled practice questions and detailed answers covering the essential ASTM standards required for certification. The material provides extensive coverage of concrete temperature measurement, sampling procedures, slump testing, air content determination using both pressure and volumetric methods, density (unit weight), yield, gravimetric air content, and the proper making, curing, protection, transportation, and storage of concrete strength specimens, making it an excellent resource for certification preparation and practical field application. The questions are structured to reinforce both theoretical knowledge and field-testing procedures in accordance with industry-recognized ASTM standards. This study material is ideal for mastering testing sequences, equipment requirements, specification limits, reporting procedures, and quality control practices commonly evaluated during the written and performance portions of the ACI Grade I certification examination. It serves as an effective revision guide for technicians seeking first-time certification or recertification while strengthening understanding of standardized concrete testing methods used throughout the construction industry. The content aligns with the principles and procedures described in the following authoritative references: ASTM International. ASTM C172/C172M – Standard Practice for Sampling Freshly Mixed Concrete. ASTM International. ASTM C1064/C1064M – Standard Test Method for Temperature of Freshly Mixed Hydraulic-Cement Concrete. ASTM International. ASTM C143/C143M – Standard Test Method for Slump of Hydraulic-Cement Concrete. ASTM International. ASTM C138/C138M – Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete. ASTM International. ASTM C231/C231M – Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method. ASTM International. ASTM C173/C173M – Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method. ASTM International. ASTM C31/C31M – Standard Practice for Making and Curing Concrete Test Specimens in the Field. American Concrete Institute (ACI). ACI CP-1: Technical Workbook for ACI Concrete Field Testing Technician – Grade I. Relevant Students: ACI Concrete Field Testing Technician Grade I candidates, Civil Engineering students, Construction Engineering students, Construction Management students, Materials Engineering students, Concrete Technology students, Structural Engineering students, Quality Control and Quality Assurance inspectors, Laboratory technicians, Field technicians, Engineering technology students, Public Works inspectors, Highway and Transportation Engineering students, Ready-Mix Concrete personnel, Construction professionals preparing for ACI certification. Keywords: ACI Concrete Field Testing Technician Grade I, ACI Grade I, ACI certification, Concrete field testing, ASTM C172, ASTM C1064, ASTM C143, ASTM C138, ASTM C231, ASTM C173, ASTM C31, Concrete sampling, Fresh concrete testing, Slump test, Concrete temperature, Air content test, Pressure air meter, Volumetric air test, Unit weight of concrete, Density of concrete, Yield of concrete, Concrete quality control, Concrete inspection, Strength test specimens, Cylinder molding, Concrete curing, Concrete transportation, Field curing, Standard curing, Construction materials testing, Civil engineering exam, Construction inspection, Ready mix concrete, Practice questions, Exam questions and answers, Certification study guide, Concrete laboratory, ASTM standards