Question: Pick up the correct statement from the following :
Options
A : In treated sewage, 4 PPm of D.O. is essential
B : Only very fresh sewage contains some dissolved oxygen
C : The solubility of oxygen in sewage is 95% that is in distilled water
D : All the above.
Waste Water Engineering - Part 1 more questions
If 2% solution of a sewage sample is incubated for....
If D is the diameter of upper circular portion, the....
If the diameter of sewer is 225 mm, the gradient....
The non-clog pump which permits solid matter to pass out....
The width of a rectangular sewer is twice its depth....
In olden days the type of section adopted in trunk....
For the survival of fish in a river stream, the....
In a fully mechanised composting plant, involves
If the over land flow from the critical point to....
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