ACI Concrete Strength Testing Technician
Sample Written Exam Questions & Answers
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 [1 in.] b) 12.7 mm [0.5 in.] c) 1 mm [0.05 in.] d) 6.4
mm [0.25 in.]
-
Sample Written Exam Questions & Answers
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 [1 in.] b) 12.7 mm [0.5 in.] c) 1 mm [0.05 in.] d) 6.4
mm [0.25 in.]
-
