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Waste Water Engineering

Waste Water Engineering
If the pH value of sewage is 7

It is neutral
None of these
It is acidic
It is alkaline

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Waste Water Engineering
Hume steel pipes are

Steel shell coated from inside with cement mortar
Steel shell coated from outside with cement mortar
Steel pipes
Both B and C

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Waste Water Engineering
Dry water flow in a combined sewer, is

Industrial sewage
Storm water
Domestic sewage
Inclusive of domestic and industrial sewage but excludes storm water

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Waste Water Engineering
In areas where rainy season is limited to a few months, the type of sewerage system recommended is

Partially separate system
Combined system
None of these
Separate system

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Waste Water Engineering
At the junction of sewers

Top of smaller sewer is kept lower
None of these
Tops of both the sewers are at the same level
Top of larger sewer is kept lower

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Waste Water Engineering
Depletion of ozone layer in the outer atmosphere may cause

Bronchitis
Heart disorder
Skin cancer
Lung cancer

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