Q. The compressive strength of M-25 concrete is
| (A) 25 kg/sqm | (B) 25 N/sqmm | (C) 250 N/sqmm | (D) 2.5 N/sqmm |
Sol:
| Grade of Concrete | Compressive strength(N/mm²) |
|---|---|
| M15 | 15 |
| M20 | 20 |
| M25 | 25 |
| M30 | 30 |
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