Question

The correct sequence of methods deployed in water treatment process is :

• A. sedimentation, screening, filtration, chlorination
• B. screening, chlorination, filtration, sedimentation
• C. screening, sedimenation, chlorination, filtration
• D. filtration, chlorination, screening, sedimentation

Answer 1

The correct option is C screening, sedimenation, chlorination, filtration

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Dirty water is passed through many stages to purify it to make it usable for daily needs. The methods are used in following sequence: screening→ sedimentation→ chlorination→ filtration.