Question
Science Question on Wastewater Treatment Plant (WWTP)
Arrange the following in current sequence from first to last steps in sewage water treatment plant.
(A) Sedimentation and filteration
(B) Screening
(C) Chemical disinfection
(D) Biological treatment
Choose the correct answer from the options given below:
A
(A), (B), (D), (C)
B
(B), (A), (D), (C)
C
(B), (A), (C), (D)
D
(A), (B), (C), (D)
Answer
(B), (A), (D), (C)
Explanation
Solution
The correct option is (B): (B), (A), (D), (C)