search
arrow-left Previous
Next arrow-right
Q: The characteristic strength of concrete is defined as that strength below which not more than........... of the test results are expected to fall:
  • A. 10%
  • B. 5%
  • C. 15%
  • D. 20%
Correct Answer: Option B - The strength of material below which not more than 5% of the test results are expected to fail, is known as the characteristic strength of the material and denoted by fck for concrete.
B. The strength of material below which not more than 5% of the test results are expected to fail, is known as the characteristic strength of the material and denoted by fck for concrete.

Explanations:

The strength of material below which not more than 5% of the test results are expected to fail, is known as the characteristic strength of the material and denoted by fck for concrete.