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Ontario OIT · Water Treatment
OIT Practice Quiz — 500+ Questions
Free · Ontario OIT Exam Prep
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Disinfection
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Chemical Feed & Storage
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Hydraulics
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Math & Calculations
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Ontario Regulations
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Pumping Systems
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Water Treatment
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Wastewater Treatment
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Water Quality & Sampling
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Health & Safety
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🧪 Disinfection
easy
Q1
What is the primary purpose of disinfection in drinking water treatment?
A.
To remove suspended solids
B.
To kill or inactivate pathogenic microorganisms
C.
To adjust pH levels
D.
To remove dissolved minerals
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