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Waste Water Engineering

Waste Water Engineering
Pick up the incorrect size of stone ware sewers

None of these
67.5 cm
52.5 cm
82.5 cm

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Waste Water Engineering
The effluent of a septic tank is

None of these
As good as that from a complete treatment
Fit for discharge into any open drain
Foul and contains dissolved and suspended solids

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Waste Water Engineering
The grit chambers of sewage treatment plants, are generally cleaned after

2 days
7 days
14 days
12 days

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Waste Water Engineering
Setting out the alignments of sewers may start from

Out-fall
Tail end
Any point
City

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Waste Water Engineering
The laying of sewers is done with

Level
Theodolite
Clinometer
Magnetic compass

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Waste Water Engineering
The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known

None of these
Chemical Oxygen Demand (C.O.D.)
Bio-Chemical Oxygen Demand (B.O.D.)
Dissolved Oxygen (D.O.)

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