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Waste Water Engineering

Waste Water Engineering
The grit and silt of the grit chambers, may not be used for

Concreting
Raising low lying areas by dumping
Neither A nor B
Both A and B

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Waste Water Engineering
The design period in years for pumping plants, is

2 to 3
3 to 5
5 to 10
1

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Waste Water Engineering
The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope

1 in 20
1 in 5
1 in 15
1 in 10

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Waste Water Engineering
In sewage, the solids in mg per litre is

1500 to 2000
500 to 1000
100 to 500
1000 to 1500

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Waste Water Engineering
In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is

5
15
10
20

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Waste Water Engineering
Which one of the following tests is used for testing sewer pipes?

Mirror test
Water test
All of these
Ball test

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