Civil Engineering - Waste Water Engineering - Discussion

Discussion Forum : Waste Water Engineering - Section 1 (Q.No. 13)
13.
For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed
3 PPm
4 PPm
5 PPm
10 ppm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

Endeshaw said:   2 years ago
DO is one of the most important constituents of natural water system.

At list 4 mg/L of DO is required for game fish. but for small fish at least 2mg/l DO is required.

Dpr said:   3 years ago
Where can I find DO values? Please give details about it.

Ahsan said:   4 years ago
DO for aquatic has a rang from 4 to 5 ppm.

Nick Dongre said:   5 years ago
DO for aquatic life is - 4 to 15 ppm.

Lakha said:   1 decade ago
DO is one of the most important constituents of natural water system. At list 4 mg/L of DO is required for game fish.

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