πŸ“Š Environmental Engineering
Q. In preliminary treatment of sewage, the operation which takes place, is
  • (A) removal of fine suspended particles
  • (B) removal of fine dissolved organic material
  • (C) removal of lighter floating material
  • (D) removal of harmful bacterias and other organisms
πŸ’¬ Discuss
βœ… Correct Answer: (C) removal of lighter floating material

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