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Waste Water Engineering

Waste Water Engineering
15 cumecs, the depth d and width are related by For drains up to

B = 0.2 d
d = 0.2 B
d = 0.5 B
B = 0.5 d

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Waste Water Engineering
Hume steel pipes are

Both B and C
Steel shell coated from outside with cement mortar
Steel pipes
Steel shell coated from inside with cement mortar

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Waste Water Engineering
Before discharging the foul sewage into rivers, it is generally treated by

Oxidation
All listed here
Sedimentation
Screening

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

Circular
Rectangular
Parabolic
New egged

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Waste Water Engineering
Dry water flow in a combined sewer, is

Storm water
Domestic sewage
Inclusive of domestic and industrial sewage but excludes storm water
Industrial sewage

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Waste Water Engineering
Chlorination of water is done for the removal of

Suspended solids
Hardness
Sediments
Bacterias

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