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Waste Water Engineering

Waste Water Engineering
Before discharging the foul sewage into rivers, it is generally treated by

All listed here
Screening
Sedimentation
Oxidation

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Waste Water Engineering
It is customary to design a sewer for D.W.F. on the basis of

Twice the average demand
Thrice the average demand
Four times the average demand
Average demand

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

Kinchling
Frubling
Lloyd Davis
All listed here

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Waste Water Engineering
Primary treatment of sewage consists of removal of

Large suspended organic solids
Oil and grease
Sand and girt
Floating materials

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Waste Water Engineering
Which one of the following gases is most significant as air pollutant?

Carbondioxide
Nitrogen
Oxygen
Sulphur-dioxide

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Waste Water Engineering
The laying of sewers is done with

Clinometer
Level
Theodolite
Magnetic compass

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