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Waste Water Engineering

Waste Water Engineering
An inverted siphon is designed generally for

Four pipes
One pipe
Three pipes
Two pipes

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

Kuichling
Fruhling
All of these
Lloyd David

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Waste Water Engineering
For detecting the nitrites in the sewage, the matching colour may be developed by adding

None of these
Sulphuric acid and napthamine
Potassium permanganate
Phenol-di -sulphuric acid potassium hydroxide

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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

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

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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
120 cm
100 cm
150 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
15 cm c/c
22.5 cm c/c
50 cm c/c

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