SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Environmental Engineering Water Treatment Sedimentation
In a sedimentation tank, the surface overflow rate is 0.4 mm/s and the settling velocity of a discrete particle of diameter d is 0.1 mm/s. But if the size of the particle is increased to 2d keeping other factors constant. Then find the % removal of the particle?
1
60 %
2
80 %
3
100 %
4
95 %