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Waste Water Engineering

Waste Water Engineering
The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be

1.2 m
> 1.5 m
0.9 cm
1.5 m

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

Bacterias
Suspended solids
Sediments
Hardness

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Waste Water Engineering
The average temperature of sewage in India, is

10°C
20°C
15°C
25°C

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Waste Water Engineering
The spacing of bars of perforations of fine screens used for the treatment of sewage, is

5 to 8 mm
2 to 3 mm
8 to 10 mm
3 to 5 mm

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Waste Water Engineering
The most effective arrangement for diverting excess storm water into a natural drainage, is

None of these
Siphon spill way
Leaping weir
Overflow weir

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Waste Water Engineering
The asbestos cement pipes are generally laid

Vertically
At an angle of 60°
At an angle of 30°
Horizontally

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