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WASTE WATER ENGINEERING

Waste Water Engineering
The water carried sewerage system removes

Domestic sewage
Storm sewage
All listed here
Industrial sewage

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Waste Water Engineering
For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed

5 ppm
10 ppm
4 ppm
3 ppm

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Waste Water Engineering
Rate of flow of sewage is generally assumed

More than the rate of water supply
Equal to the rate of water supply
At 150 litres per capita
Less than the rate of water supply

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

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

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Waste Water Engineering
The self-cleansing velocity of water flowing through pipe lines, is

0.5 metre/sec
2 metres/sec
1 metre/sec
0.25 metre/sec

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