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Waste Water Engineering

Waste Water Engineering
For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by

Lloyd Davis
All listed here
Frubling
Kinchling

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Waste Water Engineering
The ratio of design discharge to the surface area of a sedimentation tank is called

Surface loading
Overflow rate
All of these
Overflow velocity

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Waste Water Engineering
Aerobic activity is maximum

None of these
In freshly produced sewage
In sewer treatment plants
At sewer pipes

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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

20 cm
40 cm
25 cm
50 cm

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Waste Water Engineering
The sewer which resists sulphide corrosion, is

Lead sewer
Brick sewer
Cast iron sewer
R.C. sewer

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Waste Water Engineering
In 1000 kg of sewage, the total solids approximate

7.5 kg to 10 kg
5 kg to 7.5 kg
1 kg to 2.0 kg
0.5 to 1.0 kg

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