engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Construction Materials and Management Concrete
In concrete mix design of M40 grade concrete, assuming the standard deviation value of characteristic strength of concrete as in IS 456 ∶ 2000, the target mean strength of concrete mix (in N/mm2 units) is expected is:
1
46.25
2
48.25
3
47.5
4
50