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Learn Sewage system Multiple Choice Questions (MCQ Quiz) with Answers PDF to enhance critical thinking. Download the Sewage System MCQ PDF e-Book to learn Class 7 Science Tests. Study Importance of Water Multiple Choice Questions and Answers (MCQs), Sewage System quiz answers PDF for science digital tutoring access. Download the Sewage System MCQ App: Free Class 7 Science Study App to learn safe and drinking water, fresh water, water treatment test prep for science remote learning systems.

Free "Sewage System MCQ" App Download with MCQ: Soil and sand is settled at the bottom in; with answers: metal screen, grit tank, sludge tank, and filter bed. Solve Importance of Water Quiz Questions, download Apple Book (Free Chapter) to enhance critical thinking.

Sewage System MCQs PDF Download – Prep Test

MCQ 1: The soil and sand is settled at the bottom in:

  1. metal screen
  2. grit tank
  3. sludge tank
  4. filter bed

MCQ 2: Untreated sewage should not be pumped into:

  1. water tanks
  2. water reservoirs
  3. rivers and streams
  4. oceans

MCQ 3: In country area, untreated sewage is pumped into tanks known as:

  1. septic tanks
  2. sewage tanks
  3. grit tanks
  4. sludge tanks

MCQ 4: The remaining sewage after it has passed through the sludge tank is known as:

  1. treated sewage
  2. effluent
  3. clinker
  4. distillate

MCQ 5: Which gas is often used as a energy source at the city's wastewater treatment plants?

  1. ethane
  2. carbon
  3. methane
  4. nitrogen

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