Pick up the correct statement from the following:
A. The larger the sewer in size, more will be velocity
B. The smaller the sewer in size, less will be velocity
C. The larger the sewer in size, no deposition will take place
D. The larger the sewer in size, deposition will take place
Answer: Option D
This Question Belongs to Civil Engineering >> Waste Water Engineering
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Comments ( 2 )
The effluent of a septic tank is
A. Fit for discharge into any open drain
B. Foul and contains dissolved and suspended solids
C. As good as that from a complete treatment
D. None of these
The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope
A. 1 in 5
B. 1 in 10
C. 1 in 15
D. 1 in 20
Drop manholes are the manholes
A. Without entry ladders
B. Without manhole covers
C. With depths more than 3.5 m
D. Having drains at different levels
Larger the sewer means the pressure more and the velocity is less.
If the velocity is less means little more sludge deposition occurs.
So, D is the correct one.
according to RS khurmi A is correct