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
Why is this the answer?
At higher pH, less hypochlorous acid is available, so chlorine disinfection efficiency reduces
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.