The pocess of excluding large sized particles from water with the help of screens is called filteration.

Related MCQs

• The sand, used for filteration, should not loose weight more than
• The rate of filteration
• Rate of filteration of a slow sand filter ranges from
• In the process of screening, the screens should be inclined at an angle of
• The area of the openings in screens should be such that the velocity of flow through them does not exceed
• Plain sedimentation is a process of retaining water in a basin so that the suspended particles settles down as a result of the
• Lead should be present in large quantity in water.
• 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
• Coagulation is required when the particles are of
• The effective size of sand particles for rapid sand filters varies from