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Waste Water Engineering

Waste Water Engineering
The sewer that unloads the sewage at the point of treatment is called

House sewer
Branch sewer
Outfall sewer
Main sewer

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Waste Water Engineering
Pathogens (or pathogenic bacterias) in water may cause

All listed here
Dysentery
Typhoid
Cholera

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Waste Water Engineering
In normal conditions, the period for sludge digestion, is

10 days
60 days
20 days
30 days

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Waste Water Engineering
The drop man holes are generally provided in sewers for

Cities in plains
Hilly town ships
Industrial areas
Large town ships

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Waste Water Engineering
The normal value of over flow rates for plain primary sedimentation tanks, ranges between

25,000 to 35,000 litres/sqm/day
80,000 to 100,000 litres/sqm/day
50,000 to 60,000 litres/sqm/day
40,000 to 50,000 litres/sqm/day

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Waste Water Engineering
In sewers the highest non-scouring velocity is achieved in

Cement concrete sewers
Glazed bricks sewers
Stone ware sewers
Cast iron sewers

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MORE MCQ ON Waste Water Engineering

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