engineering recuitment UPSSSC JE Civil 2024 Mock Test Environmental Engineering Water Treatment Filtration
Which of the followings are the operation trouble with the Rapid sand filter?
(i) Fly nuisance
(ii) Air binding
(iii) Mud ball formation
(iv) Ponding problem1
(i) and (iv)
2
(ii) and (iii)
3
(ii) and (iv)
4
(i), (iii) and (iv)