Civil Engineering - Waste Water Engineering - Discussion


The most efficient cross-section of sewers in a combined sewerage system is

[A]. parabolic
[B]. circular
[C]. rectangular
[D]. new egged.

Answer: Option B


No answer description available for this question.

Ajay said: (Sep 12, 2015)  
In a combined systems generally egg shaped sewer used.

Vikas said: (Nov 21, 2015)  
Egg shaped sewer are used for combined systems, circular are used foe separate system.

Chaithu said: (Jan 17, 2017)  
Yes, for combined system egg shaped systems may be used.

Chintu said: (Mar 3, 2017)  
Egg shaped sewer is used for combined and circular for separate sewer.

Md Irshad Alam said: (Mar 18, 2017)  
Combine system-egg shaped sewer and for both combined and separate - egg -shaped sewer.

Sandeep Kumar said: (Jun 13, 2017)  
Egg shaped sewer is used in combined sewer because in combined sewer flow of sewage in egg-shaped sewer is better than the circular sewer.

Msr said: (Oct 8, 2017)  
Egg shaped is used.

Abhishek said: (Dec 10, 2017)  
For Combined System = Egg Shaped, because lower portion of egg shaped sewer is used in low discharge and upper large section used in high discharge condition.

Jatin said: (Mar 7, 2018)  
For a combined system, egg-shaped sewer is suitable because it gives SELF CLEANING velocity to sewage.

Narendra said: (May 25, 2018)  
Separate sewer system is adopted only circular & Combined egg-shaped

Mantu said: (Jun 29, 2018)  
D is the right answer.

Vaghesh Rajgor said: (Jul 15, 2018)  
For separate system circular Cross section used. For combined, egg-shaped sewers are generally used.

Arjun Sharma said: (Jul 30, 2019)  
D is the right answer.

Prachi said: (Sep 1, 2019)  
For combined it is always Egg-shaped.

Mosaraf said: (Dec 23, 2019)  
What is the difference between egg-shaped and new egged?

Sumanth Yadav said: (Oct 20, 2020)  
For combined system, it cross section is egg-shaped.

Surta said: (Nov 13, 2020)  
It is egg shaped.

Numan Khan said: (Dec 1, 2020)  
Egg shaped is adopted as combined sewer when there is alot of rainfall,

Egg shaped and new egg shaped as different diameter.

Prince Garg said: (May 22, 2021)  
The circular section is most efficient but egg-shape is preferred because it can give self-cleaning velocity in dryer periods also

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