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Consider the following unit processes commonly used in water treatment; rapid mixing (RM), flocculation (F), primary sedimentation (PS), secondary sedimentation (SS), chlorination (C) and rapid sand filteration (RSF). The order of these unit processes (first to last) in a conventional water treatment plant is
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- PS → RSF → F → RM → SS → C
- PS → F → RM → RSF → SS → C
- PS → F → SS → RSF → RM → C
- PS → RM → F → SS → RSF → C
Correct Option: D
NA
