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Waste Water Engineering

Waste Water Engineering
The bottom of the sewage inlet chamber of septic tanks, is provided an outward slope

1 in 15
1 in 5
1 in 10
1 in 20

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Waste Water Engineering
The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is

5 m
7 m
5.5 m
6.5 m

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Waste Water Engineering
The ratio of minimum hourly flow to the average flow of sewage is

43832
43833
43894
43834

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

Any point
Out-fall
Tail end
City

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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

10 cm
12 cm
18 cm
15 cm

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Waste Water Engineering
Bottom openings 15 cm × 15 cm in the standing baffle wall are provided

30 cm c/c
50 cm c/c
15 cm c/c
22.5 cm c/c

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