Discussion :: Water Supply Engineering
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Pick up the correct statement from the following :
A.
Detention period for plain sedimentation tanks ranges between 4 to 8 hours
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B.
Detention period for sedimentation tanks, using coagulants usually ranges between 2 to 4 hours
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C.
The horizontally flow velocity in sedimentation tanks, is generally limited to 0.3 m/minute
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D.
All the above.
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