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Waste Water Engineering

Waste Water Engineering
Which one of the following resists hydrogen sulphide corrosion?

Glazed ware
Glazed stone wares
Asbestos cement
R.C.C.

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Waste Water Engineering
During purification process of sewage the gas given off, is

Carbon dioxide
Hydrogen
Ammonia
All listed here

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Waste Water Engineering
The sludge does not contain waste water from

Toilets
Bath rooms
Wash basins
Kitchen sinks

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

Irrigation
Oxidation
Dilution
Purification

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Waste Water Engineering
The factor responsible for purification of sewage in river is

All listed here
Temperature
Dissolved oxygen in water
Hydrology

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Waste Water Engineering
In sewers the gas generally found, is

All listed here
Hydrogen sulphide (H2S)
Methane (CH4)
Carbon dioxide (CO2)

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