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Waste Water Engineering

Waste Water Engineering
The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is

25 cm
20 cm
50 cm
40 cm

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Waste Water Engineering
No treatment of the sewage is given if dilution factor is

Less than 150
Between 200 to 300
Between 150 to 200
More than 500

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Waste Water Engineering
For trunk and out-fall, the type of sewers generally used, is

Horse shoe shaped
Standard egg shaped
Circular shaped
Parabolic shaped

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Waste Water Engineering
The sludge does not contain waste water from

Bath rooms
Kitchen sinks
Wash basins
Toilets

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Waste Water Engineering
In sewers the effect of scouring is more on

Bottom side
Horizontal side
All sides
Top side

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Waste Water Engineering
In a fully mechanised composting plant, involves

Mechanized pulverising of refuse
Mechanized segregation
Mechanized receipt
All of these

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