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ACI Concrete Strength Testing Technician Sample Written Exam | Comprehensive Questions and Answers Latest Updated 2024/2025 With 100% Verified Solutions
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E) - ✔✔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 E) - ✔✔The strength of the neat hydraulic cement paste used for capping cylinders depends on: a) the water/cement ratio b) time c) its consistency d) the type of cement e) all of the above A) - ✔✔The maximum allowable depth of depressions in the ends of cylinders that need not be sawed or ground in: a) 5 mm [0.20 in.] b) 6 mm [0.24 in.] c) 8 mm [0.31 in.] d) 9 mm [0.35 in.] B) - ✔✔Practie C1231/C1231M contains step-by-step procedures for aligning the specimens in the testing machine through initial application of the load: a) True b) False A) - ✔✔This test method consists of applying a compressive axial load to molded cylinders or cores at a rate which is within a prescribed range until failure occurs: a) True b) False B) - ✔✔The percent error for loads used in the testing machine should not exceed ___ percent of the indicated load: a) +/- 0.05% b) +/- 1.0% c) +/- 0.5% d) +/- 1.5% e) +/- 2.0% B) - ✔✔To determine the average width, depth, and line of fracture location of the specimen, you should take ___ measurements across each dimension: a) 2 b) 3 c) 4 d) 5 C) - ✔✔The final report should include both the average width and depth to the nearest: a) 25.4 mm [ in.] b) 12.7 mm [0.5 in.] c) 1 mm [0.05 in.] d) 6.4 mm [0.25 in.]