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Waste Water Engineering

Waste Water Engineering
The liquid wastes from kitchens, bath rooms and wash basins, is not called

Liquid waste
Sewage
Sullage
None of these

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Waste Water Engineering
The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called

Depressed sewer
Sag pipe
all of these
Inverted syphon

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Waste Water Engineering
For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is

12 cm
18 cm
15 cm
10 cm

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Waste Water Engineering
The spacing of bars for perforations in coarse screens used for the treatment of sewage, is

30 mm
20 mm
50 mm
40 mm

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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
If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is

None of these
1 in 100
1 in 120
1 in 60

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