Question
Three statements are provided here which define the terms– $(a)$ sludge, $(b)$ sewage and $(c)$ wastewater. Pick out the correct definition for each of these terms.
  1. The settled solids that are removed in wastewater treatment with a scraper.
  2. Water from kitchen used for washing dishes.
  3. Wastewater released from homes, industries, hospitals and other public buildings.

Answer

  1. The settled solids that are removed in wastewater treatment with a scraper is sludge.
  2. Water from kitchen which is used for washing dishes is wastewater.
  3. Wastewater released from homes, industries, hospitals and other public buildings is sewage.

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