Wastewater Treatment Level 1 Certification Exam with verified detailed solutions

Wastewater Treatment Level 1 Certification Exam with || || || || || || ||




verified detailed solutions || ||




In most activated sludge plants, the waste activated sludge is pumped to waste sludge
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handling facilities - correct answer✔✔True || || || ||




A primary clarifier is used after a trickling filter to settle out sloughing's from the filter
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media - correct answer✔✔False
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pH general will be affected significantly by a clarifier - correct answer✔✔False
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When starting a trickling filter, slime growth will start to develop on the filter media
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immediately - correct answer✔✔False || || ||




Rotating Biological Contactors have few moving parts and require minor amounts of
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preventative maintenance - correct answer✔✔True || || || ||




Since the oxidation ditch is operated as a closed system, the amount of volatile suspended
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solids will gradually decrease - correct answer✔✔True
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Ponds have a consistently high quality effluent - correct answer✔✔False
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Typical disease causing microorganisms include bacteria, viruses and parasites - correct
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answer✔✔True



Sulphur dioxide is extremely hazardous and must be handled with caution - correct
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answer✔✔True