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Waste Water Engineering

Waste Water Engineering
The sewerage system consists of

All of these
House sewer
Branch sewer
Lateral sewer

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Waste Water Engineering
The first stage of neutral process of sludge digestion, is

Acid fermentation
Alkaline fermentation
Acid regression
None of these

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Waste Water Engineering
In a trickling filter

Biological action is used
Both A and B
Neither A nor B
Filtration process is used

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Waste Water Engineering
Primary treatment of sewage consists of removal of

Sand and girt
Floating materials
Oil and grease
Large suspended organic solids

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Waste Water Engineering
Water content of sewage is about

0.999
0.99
0.95
0.9

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Waste Water Engineering
The settlement of a particle in sedimentation tank, is affected by

Velocity of flow
Size and shape of solid
Viscosity of water
All listed here

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