Basic Wastewater
Practice Exam
Operator
–
Basic
Class
Wastewater
Practice
3 – Exam
Practice
Operator
–Questions
Class
Practice
3 –
_ Exam
Practice
Preparation
–Questions
Class 3 –
Material.pdf
_ Exam
Practice
Preparation
QuestionsMaterial.pdf
_ Exam Preparation Material.pdf
Basic Wastewater
Operator Practice
Exam – Class 3 –
Practice Questions
/ Exam Preparation
Material
Basic Wastewater Operator
Basic Wastewater
Practice Exam
Operator
–
Basic
Class
Wastewater
Practice
3 – Exam
Practice
Operator
–Questions
Class
Practice
3 –
_ Exam
Practice
Preparation
–Questions
Class 3 –
Material.pdf
_ Exam
Practice
Preparation
QuestionsMaterial.pdf
_ Exam Preparation Material.pdf
,Basic Wastewater Operator Practice Exam Class 3.pdf Basic Wastewater Operator Practice Exam Class 3.pdf Basic Wastewater Operator Practice Exam Class 3.pdf
Terms in this set (125)
Stalked ciliates What is the predominant organism in a healthy Activated Sludge Treatment
Plant?
Representative and Sub-samples time spaced over 15 A composite sample must be?
minutes apart
300ml What is the standard volume for a BOD sample bottle?
Plug valve If you have a lime slurry feed line, what is the best valve to use?
Old Sludge If you notice a predominance of rotifers in your activated sludge sample while
looking at it under a microscope, what does this indicate?
Settling in the clarifiers If your activated sludge plant begins to nitrify, what conditions would you
expect to decrease?
Basic Wastewater Operator Practice Exam Class 3.pdf Basic Wastewater Operator Practice Exam Class 3.pdf Basic Wastewater Operator Practice Exam Class 3.pdf
, Basic Wastewater Operator Practice Exam Class 3.pdf Basic Wastewater Operator Practice Exam Class 3.pdf Basic Wastewater Operator Practice Exam Class 3.pdf
360mg/l Calculate the BOD given the information:
Initial DO: 8.3
Final DO: 5.9
Milliliters of sample used: 2
By measuring the pump output How do you calibrate a chemical feed pump?
H2SO4 What is the chemical formula for sulfuric acid?
extended aeration What is the most common type of Activated Sludge package plants?
Increase wasting What is the most appropriate method of reducing the F:M Ratio?
Unequal air distribution caused by a blown diffuser An operator notices a portion of the aeration tank with large bubbles rising up.
What is the most likely problem?
The pressure on the suction side of the pump What is suction lift?
22.5 mg/l The primary effluent to a RBC system is 350 mg/l BOD. The primary unit removes
83%, the secondary unit removes 50%, and the final unit removes 25%. What is
the BOD leaving the final unit of the RBC train?
Basic Wastewater Operator Practice Exam Class 3.pdf Basic Wastewater Operator Practice Exam Class 3.pdf Basic Wastewater Operator Practice Exam Class 3.pdf