Civil Engineering - Water Supply Engineering - Discussion

Discussion Forum : Water Supply Engineering - Section 7 (Q.No. 43)
43.
Rapid gravity filters can remove bacterial impurities up to a maximum of
50%
60%
70%
80%
90%.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
10 comments Page 1 of 1.

Atul said:   3 years ago
Yes, it is 80-90%.

MJM Gcek said:   4 years ago
Yes, I too agree 90% is correct.

Shubh said:   5 years ago
90% is correct one.
(1)

Era said:   6 years ago
Answer should be 90%

Hayat said:   6 years ago
Right @Puku.

Puku said:   7 years ago
The rate of filtration - 3000-6000L/m^2/hour.
Bacteria removal - about 80 to 90%.
Turbidity removal 35-40 mg/l.

Viru kapoor said:   7 years ago
The rate of infiltration - 4500L/m^2/hour.
Bacteria removal - about 91%.
Turbidity removal 35-40ppm.

Pradeep said:   7 years ago
The Answer should be 90%.

Baloch said:   8 years ago
Maximum = 90%.
Minimum = 80%.
(1)

Ankur said:   10 years ago
Efficiency of rapid sand filter is 80-90% so answer should be E.
(1)

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