Answer Posted / susantakiit 06-10
The minimum comp. strength of bricks is 3.5 N/mm2
The brick which comp. strength is 7 to 14N/mm2 are graded as "A"
The brick which comp. strength is MORE THAN 14N/mm2 are
graded as "AA"
| Is This Answer Correct ? | 71 Yes | 18 No |
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