66. The function of skimming tank in sewage treatment is to remove A.Oil and fatty substances B.Suspended solids C.Gritty substances D.Inorganic substances
Answer: Option A Solution: A skimming tank is a chamber so arranged that the floating matter like oil, fat, grease etc., rise and remain on the surface of the waste water (Sewage) until removed, while the liquid flows out continuously under partitions or baffles.