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Waste Water Engineering

Waste Water Engineering
An inverted siphon is designed generally for

Two pipes
Three pipes
Four pipes
One pipe

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Waste Water Engineering
In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept

2
10
5
0.25

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Waste Water Engineering
For detecting the nitrates in sewage, the colour may be developed by adding

Sulphuric acid and napthamine
Phenol-di -sulphuric acid and potassium hydroxide
None of these
Potassium permanganate

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

All listed here
Kinchling
Frubling
Lloyd Davis

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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

0.05556 cumec
0.05552 cumec
0.0556 cumec
0.05554 cumec

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Waste Water Engineering
The maximum depth of sedimentation tanks, is kept

3 m
4 m
3.5 m
4.5 m

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