engineering recuitment TSPSC AEE Civil Mock Test 2022 Construction Materials and Management Bricks and Mortar
According to IS 1077:1992, The water absorption for class upto 12.5 and for class above 12.5 shall not be more than
1
20 %, 15 %
2
15 %, 20 %
3
15 %, 15 %
4
20 %, 20%