engineering recuitment PPSC JE Civil Mock Test 2022 Construction Materials and Management Bricks and Mortar
The attrition test on stones is performed:
1
To determine the crushing strength of the stone
2
For assessing the resistance of stone to the sun, rain, wind etc.
3
To ascertain the stability of the stone when exposed to acid fumes
4
For determining the rate of wear of stone due to grinding action under traffic