Plain sedimentation is a process of retaining water in a basin so that the suspended particles settles down as a result of the

Related MCQs

• The detention time for an ordinary plain sedimentation tank is
• In a plain sedimentation tank, under normal conditions, impurities are removed upto
• The process of adding certain chemicals to water in order to form flocculent precipitate for absorbing and entraining colloidal mater is called sedimentation with coagulation.
• Plain chlorination is adopted for treating the water having turbidities less than 20 to 30 ppm.
• The amount of chlorine used for plain chlorination of water is about
• Suspended impurities cause turbidity in water.
• The length of rectangular sedimentation tank should not be more than
• The efficiency of sedimentation tank for a given discharge, can be increased by
• The velocity of flow in any sedimentation tank should not exceed
• The volume of a settling basin is large due to