Sewage System MCQs Quiz Worksheet PDF Download
Learn sewage system MCQs, science test for online learning courses and test prep to practice. Importance of water quiz questions has multiple choice questions (MCQ), sewage system test to learn for grade 7 science help with interactive tests.
Science practice test MCQ: soil and sand is settled at bottom in with choices metal screen, grit tank, sludge tank and filter bed with online student guide with quiz questions and answers to prepare for schools' competitions. Free science revision notes to learn sewage system quiz with MCQs to find questions answers based online learning tests.
MCQs on Sewage System Quiz PDF Download
MCQ: Soil and sand is settled at bottom in
- metal screen
- grit tank
- sludge tank
- filter bed
MCQ: Untreated sewage should not be pumped into
- water tanks
- water reservoirs
- rivers and streams
MCQ: In country area, untreated sewage is pumped into tanks known as
- septic tanks
- sewage tanks
- grit tanks
- sludge tanks
MCQ: Remaining sewage after it has passed through sludge tank is known as
- treated sewage
MCQ: Which gas is often used as a energy source at city's wastewater treatment plants?