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Waste Water Engineering

Waste Water Engineering
The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is

40 cm
50 cm
20 cm
25 cm

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Waste Water Engineering
In a fully mechanised composting plant, involves

Mechanized segregation
All of these
Mechanized pulverising of refuse
Mechanized receipt

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Waste Water Engineering
15 cumecs, the depth d and width are related by For drains up to

d = 0.5 B
B = 0.5 d
B = 0.2 d
d = 0.2 B

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Waste Water Engineering
You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at

Full depth
Two third full
Half full
Three fourth full

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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

110 cm
100 cm
120 cm
150 cm

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Waste Water Engineering
The rational formula for peak drainage discharge, was evolved by

Fruhling
Lloyd David
All of these
Kuichling

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