ACI Concrete Strength Testing Technician Sample Written Exam Questions with Complete Solutions

ACI Concrete Strength Testing Technician Sample Written Exam Questions with Complete Solutions 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 E) 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.] A) 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 B) 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 A) 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 B) The final report should include both the average width and depth to the nearest: a) 25.4 mm [1 in.] b) 12.7 mm [0.5 in.] c) 1 mm [0.05 in.]