Coagulation is required when the particles are of

Related MCQs

• The coagulation is not required in
• When turbidity of water exceeds about 45 ppm, coagulation
• Aluminium sulphate may be used for coagulation.
• 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 pocess of excluding large sized particles from water with the help of screens is called filteration.
• Plain sedimentation is a process of retaining water in a basin so that the suspended particles settles down as a result of the
• The finely divided dispersion of solid particles which are not visible to the naked eye and cannot be removed by ordinary filters are known as
• The effective size of sand particles for rapid sand filters varies from
• The effective size of sand particles for slow sand filters varies from
• Air vent pipe is not essentially required in a septic tank.