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Waste Water Engineering

Waste Water Engineering
The flow velocity in detritus tanks is

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

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Waste Water Engineering
For large sewers, maximum distance between manholes may be

100 m
50 m
200 m
300 m

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Waste Water Engineering
In a grit chamber of a sewage treatment plant,

Depth of 0.9 m to 1.20 m is kept
Flow velocity 0.15 m to 0.3 m/sec is kept
All of these
One minute of detention period is kept

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Waste Water Engineering
For providing an Indian type W.C., the R.C.C. slabs in the toilet portion

Should be kept 20 cm above the adjacent portion
Need not be sunk
Should be sunk by 50 cm
Should be sunk by 20 cm

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Waste Water Engineering
The rational formula for peak drainage discharge, was evolved by

Lloyd David
All of these
Kuichling
Fruhling

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Waste Water Engineering
In normal conditions, the period for sludge digestion, is

60 days
10 days
20 days
30 days

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