The sewer which transports the sewage to the point of treatment, is called
A. House sewer
B. Out-fall sewer
C. Branch sewer
D. Main sewer
Answer: Option B
This Question Belongs to Civil Engineering >> Waste Water Engineering
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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
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A. Without entry ladders
B. Without manhole covers
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D. Having drains at different levels
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