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Waste Water Engineering

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 density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is

0.0556 cumec
0.05554 cumec
0.05556 cumec
0.05552 cumec

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Waste Water Engineering
Facultative bacteria survive in

The presence of oxygen
Neither A nor B
Both cases A and B
The absence of oxygen

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Waste Water Engineering
Pick up the incorrect size of stone ware sewers

None of these
67.5 cm
82.5 cm
52.5 cm

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Waste Water Engineering
If is the diameter of upper circular portion, the overall depth of New Egg shaped sewer section, is

1.350 D
1.625 D
1.250 D
1.425 D

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Waste Water Engineering
Sewer ventilating columns are generally placed at

Distances 150 m to 300 m
Every change in the size of sewers
Upper ends of branch sewers
All listed here

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