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Waste Water Engineering

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

Sedimentation
All listed here
Oxidation
Screening

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Waste Water Engineering
R.M.O. expenses include

All of these
Maintenance expenses
Operation expenses
Running expenses

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Waste Water Engineering
The intensity of rain is expressed in

cm/hour
cm/day
cm/minute
None of these

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Waste Water Engineering
The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is

0.25
0.05
0.5
0.1

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Waste Water Engineering
Lead caulked joints are used for laying

Stone ware pipes
Earthenware pipes
I. pipes
G.I. pipes

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Waste Water Engineering
The water carried sewerage system removes

All listed here
Domestic sewage
Storm sewage
Industrial sewage

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