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Waste Water Engineering

Waste Water Engineering
Lead caulked joints are used for laying

I. pipes
Earthenware pipes
G.I. pipes
Stone ware pipes

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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
5 days-biochemical oxygen demand (BOD5) is taken at a temperature of

0°C
25°C
15°C
20°C

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Waste Water Engineering
The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is

0.88 m
1.76 m
0.68 m
1.36 m

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Waste Water Engineering
Inter-distance between ventilation columns in a sewer line is kept

50 m to 100 m
100 m to 150 m
25 to 50 m
150 m to 300 m

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Waste Water Engineering
Flocculated particles do not change their

Shape
None of these
Size
Weight

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