engineering recuitment WBMSC Sub Assistant Engineer Civil Mock Test 2023 Construction Materials and Management Concrete
As per Indian Standard (IS) 456-2000, what is the mixing ratio (cement : fine admixture : coarse admixture) for M20 grade concrete?
1
1 ∶ 2 ∶ 4
2
1 ∶ 3 ∶ 6
3
1 ∶ 1.5 ∶ 3
4
1 ∶ 1 ∶ 2