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Exam (elaborations)

WATER TREATMENT OIT PRACTICE QUESTIONS AND ANSWERS 100% CORRECT!!(REVISION PAPER)

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Sedimentation Tank - ANSWER Circular High Rate Settlers - ANSWER Rakes/Tubes Actiflo - ANSWER Accelerated settling What is the purpose of filtration? - ANSWER Removal of suspended material still present in the water after clarification/settling What are some types of filter media? - ANSWER Anthracite coal Granular Activated Carbon SandGravel What affects the flow rate through a conventional gravity filter? - ANSWER Driving force/Head of water What is a backwash? How do we know when to backwash? - ANSWER Pumping water back through filter media, use when the filter

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WATER TREATMENT OIT
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WATER TREATMENT OIT

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WATER TREATMENT OIT PRACTICE
QUESTIONS AND ANSWERS 100%
CORRECT!!(REVISION PAPER)

, What is the object of O. Reg. 169/03? - ANSWER Drinking Water Standards: sets
out minimum standards : 3 schedules


What is the object of O. Reg. 170/03? - ANSWER Drinking Water Systems
Regulations:
Sampling, Testing, Reporting Adverse Tests, Min level of treatment for GW and SW.


What is the object of O. Reg. 248/03? - ANSWER Testing Regulation:
Regulates; Sampling, Testing, Analysis, handling, creates a licensing system for
labs.


What is the object of O. Reg. 128/04 and O. Reg. 129/04? - ANSWER Controls
Licensing


What major regulations are contained under the Ontario Water Resources Act
(OWRA)? - ANSWER Reg 285, 129, 903


What is the object of O. Reg. 285/99? - ANSWER Permits for water taking and
transfer


What is the object of O. Reg. 903? - ANSWER Wells


Physical Characteristics - ANSWER Temperature, Colour, Suspended Solids,
Turbidity


Chemical Characteristics - ANSWER Nutrients, minerals, metals, oxygen, organic
compounds


Biological Characteristics - ANSWER Aquatic plants, animals, algae, bacteria,
protozoa


What is the minimum level of treatment for surface water? - ANSWER Chemical
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WATER TREATMENT OIT
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Uploaded on
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2025/2026
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  • what is eutro
  • water treatment oit practice questions and answers
  • water treatment oit practice questions stuvia
  • water treatment oit practice questions
  • why are lakes and reservoirs usually sources of be
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