Ethio Construction Engineering
Considering (i) Screening (ii) Sedimentation (iii) Disinfection (iv) Filtration. The correct sequence of treatments which are generally given to treat raw water supplies are
Anonymous Quiz
1. (i) (ii) (iii) (iv)
2. (i) (ii) (iv) (iii)
3. (i) (iii) (iv)(ii)
4. (iv) (iii) (ii)(i)
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