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CA Grade 2 Wastewater Treatment Operator | Practice Exam 1 & Verified Answers

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CA Grade 2 Wastewater Treatment Operator | Practice Exam 1 & Verified Answers

Institution
CA Wastewater
Course
CA Wastewater

Content preview

What is the methane 65 to 70% by volume
content in a properly
operating anaerobic
digester?

What will the addition of decrease the pH
chlorine gas do to the
pH of wastewater?

What is the purpose of a Measure the flow rate
Parshall Flume?

What is the typical 95 to 99%
removal efficency of
settleable solids in a
primary clarifier?

,Which of the follwing is scum causes more piping problems than other
true about pumoing substances pumped at a wastewater treatment pla
scum from a primary
clarifier?

What might cause thick MLSS is too low
billows of white sudsy
foam in the aeration
tank?

What does the M in F/M The mixed liquor volatile suspended solids in the
ratio represent? aeration tank

In general, how will Increase the settling rate
warmer temp affect the
settling rate of solids in a
clarifer?

, What could happen if the Cause an explosion
digester gas is mixed
with air(85 to 95% by
volume)?

How will algae impact increase the chlorine demand
the chlorine demand in
the pond effluent?

Which of the following is it must never be started with the discharge valve
true about a positive closed
displacement pump?

What is true about the the volume of the secondary clarifier is not neede
F/M ratio? to determine the f/m ratio

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Institution
CA Wastewater
Course
CA Wastewater

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