NV C-5 Concrete Practice Questions - Nevada C-5 Concrete Contractor Examination Exam

Access More Questions

If cylinders fail and ACI 318-14 26.12.6.1 core tests are used to judge in-place concrete with f'c = 4000 psi, the concrete is adequate when which pair of results is met?

Every core equals or exceeds 4000 psi The average of three cores is at least 2000 psi One core reaches 4000 psi, regardless of the others The average of three cores is at least 3400 psi (0.85 f'c) and no single core is below 3000 psi (0.75 f'c)

Correct Answer:

The average of three cores is at least 3400 psi (0.85 f'c) and no single core is below 3000 psi (0.75 f'c)

Access more questions from this quiz

Continue to NV C-5 Concrete Practice Questions - Nevada C-5 Concrete Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions