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Waste Water Engineering

Waste Water Engineering
The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be

> 1.5 m
1.5 m
1.2 m
0.9 cm

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Waste Water Engineering
The quantity of liquid waste which flows in sewers during the period of rainfall, is known

Sanitary sewage
None of these
Industrial waste
Storm sewage

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Waste Water Engineering
The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known

Lateral sewer
Sewer outfall
House sewer
Branch sewer

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Waste Water Engineering
The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is

120 cm
100 cm
150 cm
110 cm

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Waste Water Engineering
Inter-distance between ventilation columns in a sewer line is kept

150 m to 300 m
25 to 50 m
100 m to 150 m
50 m to 100 m

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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

10
2
0.25
5

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