Civil Engineering - Waste Water Engineering

16.
If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is
2 hours
3 hours
4 hours
5 hours.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
An inverted siphon is designed generally for
one pipe
two pipes
three pipes
four pipes.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

18.
A rainfall may be classified as acidic if its pH value is less or equal to
6
7
5
6.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
When drainage to sewage ratio is 20, the peak dry weather flow is
20% of the design discharge
slightly less than 5% of the design discharge
slightly more than 5% of the design discharge
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
For treating the sewage of a large city, you will recommend
a sedimentation tank and an activated sludge treatment plant
a plant consisting of Imhoff tanks with low rate trickling filters
sedimentation tanks with high rate trickling filters
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.