UPSC Civil Service Exam Questions - Civil Engineering Questions and Answers

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The correct sequence of processes in a water treatment plant for rural water supply is

Chlorination, aeration, sedimentation, rapid sand filter

Coagulation, sedimentation, slow sand filter, chlorination

Coagulation, flocculation, clarification, pressure filter

Aeration, plain sedimentation, slow sand filter, chlorination

Answer : Option D

Explanation :

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