ACI

ACI AGGREGATE TESTING TECHNICIAN - LEVEL 1 - SECTION 4 EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED AASHTO T 27 / ASTM C136 In this test method a set of sieves with progressively _____ openings determines the ______ of the size of the particles sampled. Smaller, distribution AASHTO T 27 / ASTM C136 The purpose of the test is to determine the _____ of the materials used as aggregates or proposed to be used as aggregates. Grading AASHTO T 27 / ASTM C136 Results of the test may also be...

ACI AGGREGATE TESTING TECHNICIAN - LEVEL 1 - SECTION 3 EXAM QUESTIONS WITH COMPLETE ANSWERS During this test method, water-soluble materials, clay particles, and incidental aggregate particles are removed from the aggregate. True or False? True Of the two possible test procedures, Procedure A is to be used unless otherwise specified. True or False? True In one of the methods only ____ is used for washing and in the other method a ____ is used as well. Water, wetting agent The purpose o...

ACI CONCRETE FIELD TESTING TECHNICIAN EXAM QUESTIONS AND VERIFIED CORRECT SOLUTIONS 2024 The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. 3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The temperature measuring device...

ACI AGGREGATE TESTING TECHNICIAN - LEVEL 1 - SAMPLE WRITTEN EXAM QUESTIONS AND VERIFIED UPDATED CORRECT ANSWERS 1. Which of the following statements is false? Aggregates are sampled: A. For the acceptance or rejection of materials B. For the control of operations at the site of use C. For preliminary investigation of the potential source of supply D. For the control of the product at the source of supply E. For determination of pricing E Appropriate equipment for inspection and samplin...

ACI AGGREGATE TESTING TECHNICIAN SAMPLE EXAM QUESTIONS AND VERIFIED ANSWERS UPDATED ASTM D75-19 Scope (Section 1.1): Which of the following statements is false? Aggregates are sampled: A. For the acceptance or rejection of materials B. For the control of operations at the site of use C. For preliminary investigation of the potential source of supply D. For the control of the product at the source of supply E. For determination of pricing E ASTM D75-19 Securing Samples (Section 5.2): Ap...

ACI AGGREGATE BASE TESTING TECHNICIAN EXAM QUESTIONS AND VERIFIED ANSWERS (D75) Sampling should be done very carefully because it is as important as _____. Testing The _____ or _____ should obtain samples related to the control of production at the source or related to the control of the work at the site. Manufacturers, contractors Samples to be tested for quality should, when possible, be obtained from the _____. Finished product (D75) Sampling containers for aggregate samples should b...

ACI AGGREGATE TESTING TECHNICIAN EXAM QUESTIONS AND ANSWERS 100% PASS Performance Checklist: Sampling of Aggregates: Flowing Aggregate Stream (Bins or Belt Discharge) 5 steps 1. Use a device that will hold the required amount of material without overflowing. 2. Take each increment from the entire cross section of the material discharge stream 3. Obtain a minimum of three approximately equal increments. 4. Combine the increments to form a field sample. 5. Ensure that the ...

ACI - AGGREGATE BASE TESTING TECHNICIAN EXAM QUESTIONS WITH COMPLETE SOLUTIONS Testing Sampling should be done very carefully because it is as important as ____________. Conveyer belts Transport units Roadways Stockpiles What are the four sources from which field samples can be obtained? contaminated, damaged Sampling containers for aggregate samples should be made so that the contents will not be lost, _____ or _____. Nonrepresentative sample Not using correct procedures for reduci...

These procedures for capping enable concrete cylinders and cores to meet the standard's requirements for: a) planeness b)strength c) perpendicularity d) B and C e) A and C

ACI Aggregate Testing Technician - Level 1 - Section 8 This test method involves the use of hazardous materials. True or False? True The user of these standards is responsible for any safety problems associated with them. True or False? True The principal value of this test is to furnish a warning that injurious amounts of ____ may be present. Organic impurities A dark color in the test sample is a warning sign. True or False? True When a sample subjected to this test produces a color...