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Sewage System MCQ with Answers PDF Download

The e-Book Sewage system Multiple Choice Questions (MCQ Quiz), sewage system quiz answers PDF to study online courses, 7th grade science tests. Solve Importance of Water Multiple Choice Questions and Answers (MCQs), Sewage System quiz questions PDF for taking online classes. The e-Book "Sewage System MCQ" App Download: safe and drinking water, fresh water, water treatment test prep for online learning.

The MCQ "The soil and sand is settled at the bottom in" PDF, Sewage System App Download (Free) with metal screen, grit tank, sludge tank, and filter bed choices for taking online classes. Study importance of water quiz questions, download Amazon eBook (Free Sample) for virtual online school.

Class 7 Science: Sewage System MCQs PDF Download

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

A) metal screen
B) grit tank
C) sludge tank
D) filter bed

MCQ: Untreated sewage should not be pumped into

A) water tanks
B) water reservoirs
C) rivers and streams
D) oceans

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

A) septic tanks
B) sewage tanks
C) grit tanks
D) sludge tanks

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

A) treated sewage
B) effluent
C) clinker
D) distillate

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

A) ethane
B) carbon
C) methane
D) nitrogen

Practice Tests: Class 7 Science Exam Prep

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