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Sewage Treatment Plant Questions with Correct Answers
  • Examen

    Sewage Treatment Plant Questions with Correct Answers

  • Persigo Wastewater Treatment Plant Correct Answer Put into service in 1984, uses conventional activated sludge system (with aerobic and anaerobic sludge digesters) Domestic input and industrial wastewater (%) Correct Answer 80% input is domestic and 20% is industrial wastewater How much water does the plant treat every day? Correct Answer 8 million gallons of water (max of 12 gallons) How many hours does it take to run through the system? Correct Answer 14 hours Biological Oxygen Dem...
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Sewage Treatment Plant Exam Questions with 100% Correct Answers
  • Examen

    Sewage Treatment Plant Exam Questions with 100% Correct Answers

  • Primary Treatment Correct Answer consists of temporarily holding the sewage in a basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface. The settled and floating materials are removed and the remaining liquid may be discharged or subjected to secondary treatment. Secondary treatment Correct Answer removes dissolved and suspended biological matter. Secondary treatment is typically performed by indigenous, water-borne micro-organisms in a man...
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Sewage Treatment Plant Lab Questions with Answers
  • Examen

    Sewage Treatment Plant Lab Questions with Answers

  • Combined treatment system Correct Answer carrys away both water polluted by humans use and water polluted as it drains off homes, streets, or land during a storm What is D.O. and why is it important? Correct Answer Dissolved Oxygen maintains life in aquatic areas. If to low life in water will die What is B.O.D. and why is it important? Correct Answer biochemical oxygen demand is important because if it is to high then it will decrease the amount of O2 in the water which then can not suppor...
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