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Waste Water Engineering

Waste Water Engineering
The sewerage system consists of

Branch sewer
All of these
House sewer
Lateral sewer

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Waste Water Engineering
The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is

213.5 cm/sec
313.5 cm/sec
413.5 cm/sec
500 cm/sec

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Waste Water Engineering
Before discharging the foul sewage into rivers, it is generally treated by

Screening
Sedimentation
All listed here
Oxidation

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Waste Water Engineering
In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept

2
10
0.25
5

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Waste Water Engineering
For evaporation and measurement of settable solids, the apparatus used, is

A jar
An Imhoff cone
A test tube
A breaker

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

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