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Waste Water Engineering

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

All listed here
Hydrology
Temperature
Dissolved oxygen in water

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Waste Water Engineering
Dry weather flow is:

Water supply allowance per capita
Average daily rate of flow
Average annual rate of flow
Average monthly rate of flow

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Waste Water Engineering
The following is the physical characteristic of sewage

Turbidity
Odour
Colour
All listed here

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Waste Water Engineering
To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is

0.70 m/sec
0.60 m/sec
0.50 m/sec
0.75 m/sec

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Waste Water Engineering
In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient,

Is only provided
Is doubled
Is not enough
Is trebled

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Waste Water Engineering
House connections to the laterals is generally made by

Cast iron
R.C.C.
P.C.C.
Glazed stonewares

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MORE MCQ ON Waste Water Engineering

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