Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Environmental Issues Waste
During the physical treatment process of wastewater, what is the correct order of following operations to be followed?
(A) Flocculation
(B) Filtration
(C) Screening
(D) Sedimentation
Choose the correct answer from the options given below :
1
(A), (D), (B), (A)
2
(C), (D), (A), (B)
3
(B), (D), (A), (C)
4
(B), (C), (D), (A)