Wastewater Treatment Operator Certification Test #1 Wastewater Treatment Operator Certification Test #2 Wastewater Treatment Operator Certification Test #3
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What is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99% - ANSWER C) 20 to 50% (v.1 pg 129) What does the "F" in F/M ratio represent? A) The microorganism population in the aeration tank B) The amount of filamentous bacteri...
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Add to cartWhat is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99% - ANSWER C) 20 to 50% (v.1 pg 129) What does the "F" in F/M ratio represent? A) The microorganism population in the aeration tank B) The amount of filamentous bacteri...
What is the methane content in a properly operation anaerobic digester? A) 30 to 35% by volume B) 1 to 2% by volume C) 65 to 70% by volume D) 15 to 20% by volume - ANSWER C) 65 to 70% by volume (v.2 pg 158) What will the addition of chlorine gas do to the pH of wastewater? A) Moderately...
Preview 2 out of 15 pages
Add to cartWhat is the methane content in a properly operation anaerobic digester? A) 30 to 35% by volume B) 1 to 2% by volume C) 65 to 70% by volume D) 15 to 20% by volume - ANSWER C) 65 to 70% by volume (v.2 pg 158) What will the addition of chlorine gas do to the pH of wastewater? A) Moderately...
Wastewater Treatment Operator Certification Test #3 (Answered) The typical suspended solids removal rate in the primary clarifier is 5 to 10% True or False - ANSWER False (v.1 pg 129) Over-greasing a pump motor can lead to damage. True or False - ANSWER True (v.2 pg 404) A healthy dig...
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Add to cartWastewater Treatment Operator Certification Test #3 (Answered) The typical suspended solids removal rate in the primary clarifier is 5 to 10% True or False - ANSWER False (v.1 pg 129) Over-greasing a pump motor can lead to damage. True or False - ANSWER True (v.2 pg 404) A healthy dig...
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