engineering recuitment BPSC AE Mock Test 2025 Construction Materials and Management Bricks and Mortar
Which among the following statement is incorrect for a good quality stone sample?
1
Percentage of wear in the attrition test should less than 5
2
Specific gravity should be at least 2.7
3
Coefficient of hardness should be greater than 17
4
Percentage of water absorption by weight of stone should be less than 5