Civil Engineering - GATE Exam Questions - Discussion

Discussion Forum : GATE Exam Questions - Section 2 (Q.No. 17)
17.
The following characteristics pertain to the sand filters used in water industry.
  1. Filtration rate is 1 to 4 m3 (m2 day).
  2. Typical duration of operation in one run is 24 to 72 hours.
  3. Operating cost is low.

Which of the above characteristics pertain to slow sand filters ?
I, II and III
I and II
II and III
I and III
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

DARSHAN said:   7 years ago
Duration of operation is one month.

Sevya said:   1 decade ago
How the operating cost will help for slow function of filters.

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