Civil Engineering MCQAE Level Civil Engineering
Slow sand filters remove bacteria as much as
Environmental EngineeringEnvironmental EngineeringMEDIUM
Choose the correct answer
A
70 to 80%
B
86 to 90%
C
90 to 95%
D
98 to 99%
Correct Answer
A. 70 to 80%
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
Mature slow sand filters can remove up to about 98-99% bacteria
ScoreCardAI links this solution with subject, topic and difficulty signals so your scorecard can identify weak areas after a full mock test.
Concept shortcut
IS/IRC reference
Common trap
Practice more Civil Engineering questions
This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.