Civil Engineering - Water Supply Engineering - Discussion

42. 

Maximum threshold number permitted for indicating the odour of public water supplies, is

[A]. 1
[B]. 2
[C]. 3
[D]. 4
[E]. 5

Answer: Option C

Explanation:

No answer description available for this question.

Sushant said: (Oct 5, 2017)  
How to find this?

Abhi said: (Mar 3, 2018)  
1TON = permissible limit.
3 TON = CAUSE FOR REJECTION VALUE.

Thejoroop said: (Mar 20, 2019)  
For public water supplies, the threshold odour number should be 1 and should never exceeds 3.

Heera said: (Sep 25, 2019)  
The drinking water should not have any objectionable taste and odour and for this the flavour threshold number (FTN) and the threshold odour number (TON) should not exceed 3 and should preferably be 1.

Kanth said: (May 6, 2020)  
PON is 3.
TON is 5.

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