The Compressive Strength of Concrete Is Generally Measured

question 39

Multiple Choice

The compressive strength of concrete is generally measured

• A)14 days after casting the concrete in a test specimen.
• B)7 days after casting the concrete in a test specimen.
• C)when the concrete is fresh.
• D)1 day after casting the concrete in a test specimen.
• E)28 days after casting the concrete in a test specimen.