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Waste Water Engineering

Waste Water Engineering
The water carried sewerage system removes

All listed here
Industrial sewage
Domestic sewage
Storm sewage

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Waste Water Engineering
For detecting the nitrites in the sewage, the matching colour may be developed by adding

Potassium permanganate
None of these
Phenol-di -sulphuric acid potassium hydroxide
Sulphuric acid and napthamine

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Waste Water Engineering
Sewer manholes are generally provided at

The junctions of sewers
All of these
The change of direction
The change of gradient

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Waste Water Engineering
In areas where rainy season is limited to a few months, the type of sewerage system recommended is

None of these
Separate system
Combined system
Partially separate system

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Waste Water Engineering
For a continuous flow type of sedimentation tanks

Maximum horizontal flow velocity is limited to 0.3 m/minute
Length of the tank is normally kept 4 to 5 times the width
All listed here
Width of the tank is normally kept about 6 m

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Waste Water Engineering
At the junction of sewers

Tops of both the sewers are at the same level
Top of smaller sewer is kept lower
None of these
Top of larger sewer is kept lower

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