Civil Engineering MCQAE Level Civil Engineering
The disinfection efficiency of chlorine in water treatment
Environmental EngineeringEnvironmental EngineeringMEDIUM
Choose the correct answer
A
is not dependent on pH value
B
is increased by increased pH values
C
remains constant at all pH values
D
is reduced by increased pH value
Correct Answer
D. is reduced by increased pH value
AI Detailed Explanation & IS Code Reference
Unlock the reasoning, formula path and code-linked notes inside your student dashboard.
At higher pH, less hypochlorous acid is available, so chlorine disinfection efficiency reduces
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.