When turbidity of water exceeds about 45 ppm, coagulation

Related MCQs

• The maximum permissible hardness in water for drinking purposes should not exceed 100 ppm.
• Plain chlorination is adopted for treating the water having turbidities less than 20 to 30 ppm.
• The quantity of arsenic in water for domestic purposes should not be more than 0.05 ppm.
• 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.
• The turbidity in water is caused due to
• Suspended impurities cause turbidity in water.
• Turbidity of water is expressed in terms of
• Low turbidity of water can be determined by
• High turbidity of water can be determined by
• Rapid sand filter can remove turbidity from water upto an extent of