Question: Pick up the correct statement from the following :
Options
A : Detention period for plain sedimentation tanks ranges between 4 to 8 hours
B : Detention period for sedimentation tanks, using coagulants usually ranges between 2 to 4 hours
C : The horizontally flow velocity in sedimentation tanks, is generally limited to 0.3 m/minute
D : All the above.
Water Supply Engineering - Part 1 more questions
Economic height of a dam is the height corresponding to....
Distribution mains of any water supply, is normally designed for....
In pressure supply mains, water hammer pressure is reduced by....
The maximum permissible nitrites in public water supplies, is
A high velocity of wash water is required for
In distribution pipes, drain valves are provided at
Corrosion of well pipes may not be reduced by
Manholes along the mains from the source to a city....
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