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Waste Water Engineering

Waste Water Engineering
An inverted siphon is designed generally for

Four pipes
Three pipes
One pipe
Two pipes

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

Water test
Ball test
All of these
Mirror test

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Waste Water Engineering
The flow velocity in detritus tanks is

0.09 m/sec
1.25 m/sec
0.05 m/sec
None of these

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Waste Water Engineering
The pH value of fresh sewage is usually

Equal to 7
More than 7
Equal to zero
Less than 7

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Waste Water Engineering
Antisyphonage pipe is fitted

With a W.'trap
On manholes
At the end of septic tanks
At the beginning of sewer line

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Waste Water Engineering
For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed

1.5
3
2.5
2

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