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
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Related Questions on Waste Water Engineering
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
For combined, egg-shaped is preferred. And for a separate system, the circular is preferred. The answer must be egg-shaped.
New egged
It should be egg shaped
It should be egg shaped