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Waste Water Engineering

Waste Water Engineering
For sewers, inverted siphon is provided for

Two pipes
Four pipes
Three pipes
One pipe

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Waste Water Engineering
The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is

45 m
75 m
30 m
20 m

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Waste Water Engineering
depends upon The Chezy’s constant C in the formula V = C

Size of the sewer
All listed here
Shape of the sewer
Roughness of sewer surface

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Waste Water Engineering
Hume steel pipes are

Steel shell coated from inside with cement mortar
Both B and C
Steel shell coated from outside with cement mortar
Steel pipes

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Waste Water Engineering
The pH value of fresh sewage is usually

More than 7
Equal to zero
Less than 7
Equal to 7

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Waste Water Engineering
Chlorination of water is done for the removal of

Sediments
Hardness
Suspended solids
Bacterias

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MORE MCQ ON Waste Water Engineering

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