Computer · Concrete Technology
The standard nominal mix proportion (Cement : Fine Aggregate : Coarse Aggregate) for M-20 grade concrete is ______.
- 11 : 1 : 2
- 21 : 1.5 : 3✓
- 31 : 2 : 4
- 41 : 3 : 6
Correct answer
1 : 1.5 : 3
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