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Waste Water Engineering

Waste Water Engineering
The ratio of design discharge to the surface area of a sedimentation tank is called

Surface loading
Overflow rate
All of these
Overflow velocity

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Waste Water Engineering
The pH value of sewage is determined with the help of

Imhoff Cone
Potentiometer
None of these
Turbid meter

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Waste Water Engineering
¾th or ¼th extra space is left in sewer pipes at maximum discharge for

Low estimates of the average and maximum flows
All listed here
Large scale infiltration of storm water
Unexpected increase in population

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Waste Water Engineering
House connections to the laterals is generally made by

Glazed stonewares
Cast iron
R.C.C.
P.C.C.

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Waste Water Engineering
For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of

160 cm
140 cm
120 cm
100 cm

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Waste Water Engineering
Sewer pipes need be checked for

Minimum flow
None of these
Both A and B
Maximum flow

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