engineering recuitment FCI JE 2022 Mock Test for CE/ME/EE (Phase I & II) Construction Materials and Management Concrete
The optimum number of revolutions in which concrete is required to be mixed in a mixer machine is
1
25 revolutions in 3 minutes
2
20 revolutions in 2.5 or 3 minutes
3
25 revolutions in 3 or 4 minutes
4
30 revolutions in 3 or 4 minutes
5
20 revolutions in 5 minutes