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Waste Water Engineering

Waste Water Engineering
The design period in years for pumping plants, is

5 to 10
1
3 to 5
2 to 3

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Waste Water Engineering
¾th or ¼th extra space is left in sewer pipes at maximum discharge for

Unexpected increase in population
Large scale infiltration of storm water
All listed here
Low estimates of the average and maximum flows

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Waste Water Engineering
Disposal to sewage in large cities, is done in

Dilution
Irrigation
Purification
Oxidation

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Waste Water Engineering
The sewer which resists sulphide corrosion, is

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

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Waste Water Engineering
Primary treatment of sewage consists of removal of

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

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Waste Water Engineering
Removal of oil and grease from sewage, is known

None of these
Screening
Skimming
Filtration

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MORE MCQ ON Waste Water Engineering

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