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Civil Engineering - Waste Water Engineering

Exercise : Waste Water Engineering - Section 2
36.
In sewers the highest non-scouring velocity is achieved in
glazed bricks sewers
cast iron sewers
cement concrete sewers
stone ware sewers.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
In sewage having fully oxidised organic matter, the nitrogen exists in the form of
nitrites
nitrates
free ammonia
aluminoid nitrogen
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
It is customary to design a sewer for D.W.F. on the basis of
average demand
twice the average demand
thrice the average demand
four times the average demand.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
During preliminary treatment of a sewage
Oil and grease are removed from skimming tanks
Floating materials are removed by screening
Girt and sand are removed by girt chambers
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Pick up the correct statement from the following :
The larger the sewer in size, more will be velocity
The smaller the sewer in size, less will be velocity
The larger the sewer in size, no deposition will take place
The larger the sewer in size, deposition will take place.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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