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Waste Water Engineering

Waste Water Engineering
The quantity of liquid waste which flows in sewers during the period of rainfall, is known

None of these
Sanitary sewage
Storm sewage
Industrial waste

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Waste Water Engineering
Imhoff cone is used to determine

None of these
Dissolved solids
Suspended solids
Settleable solids

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Waste Water Engineering
If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is

4 hours
6 hours
2 hours
8 hours

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Waste Water Engineering
For design of sewers, percentage of sewage discharge is assumed

65 to 70%
75 to 80%
0.85
70 to 75%

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

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

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

Water test
Ball test
Mirror test
All of these

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