engineering recuitment WBMSC Sub Assistant Engineer Civil Mock Test 2023 Highway Engineering Highway Materials and Maintenance
Which one of the following binding materials is used in the construction of Water Bound Macadam (WBM)?
1
Coarse aggregates of size 53 to 22.4 mm
2
Fine grained material passing 0.425 mm sieve size
3
Stone screening type of size 13.2 mm
4
Stone screening type of size 12.5 mm