Computer · Concrete Technology
Identify whether the given statements related to concrete mixes are true or false according to standard specifications: 1) Nominal mix concrete may be used for concrete of M20 grade or lower. 2) The target mean strength of the concrete mix should be equal to the characteristic strength plus 1.65 times the standard deviation in the case of a design mix.
- 1Both statement 1 and statement 2 are true✓
- 2Both statement 1 and statement 2 are false
- 3Statement 1 is false but statement 2 is true
- 4Statement 1 is true but statement 2 is false
Correct answer
Both statement 1 and statement 2 are true
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