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Waste Water Engineering

Waste Water Engineering
The most effective arrangement for diverting excess storm water into a natural drainage, is

None of these
Siphon spill way
Leaping weir
Overflow weir

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

all of these
Sag pipe
Depressed sewer
Inverted syphon

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Waste Water Engineering
Fresh sewage is generally

Alkaline
A source of objectionable odour
Highly decomposed
Acidic

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

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

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Waste Water Engineering
Imhoff cone is used to determine

Suspended solids
None of these
Dissolved solids
Settleable solids

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Waste Water Engineering
If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is

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

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