Physics · Concrete Technology
Identify whether the given statements related to concrete mix design are true or false as per Indian Standards. Statement 1: Nominal mix concrete may be used for concrete of M 20 grade or lower. Statement 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 design mix concrete.
- 1Both statements are true✓
- 2Both statements are false
- 3Statement 1 is false but Statement 2 is true
- 4Statement 1 is true but Statement 2 is false
Correct answer
Both statements are true
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