Basic Wastewater Operator Basic
Practice
Wastewater
Exam –Operator
Practice Basic
Questions
Practice
Wastewater
Exam
_ Exam
–Operator
Preparation
Practice Questions
Practice
Material.pdf
Exam
_ Exam– Preparation
Practice Questions
Material.pdf
_ Exam Preparation Material.pdf
Basic Wastewater
Operator Practice
Exam – Practice
Questions / Exam
Preparation
Material
Basic Wastewater Operator Basic
Practice
Wastewater
Exam –Operator
Practice Basic
Questions
Practice
Wastewater
Exam
_ Exam
–Operator
Preparation
Practice Questions
Practice
Material.pdf
Exam
_ Exam– Preparation
Practice Questions
Material.pdf
_ Exam Preparation Material.pdf
,Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
Terms in this set (125)
What is the predominant organism in a healthy A. Stalked Ciliates
activated sludge treatment plant?
A. Stalked ciliates
B. rotifers
C. nematodes
D. amoebas
A composite sample must be? D. representative and sub-samples time spaced over 15 minutes apart
A. sporadically collected in the treatment plant
B. taken at one time
C. analyzed immediately
D. representative and sub-samples time spaced
over 15 minutes apart
Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
,Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
What is the standard volume for a BOD sample c. 300 mL
bottle?
A. 150 mL
B. 200 mL
C. 300 mL
D. 500 mL
If you have a lime slurry feed line, what is the best A. plug valve
valve to use?
A. plug valve
B. butterfly valve
C. RPZ dual check valve
D. gate valve
Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
, Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
5. If you notice a predominance of rotifers in your C. old sludge
activated sludge sample while looking at it under a
microscope, what does this indicate?
A. healthy sludge
B. young sludge
C. old sludge
D. middle age sludge
Calculate the BOD using the given information: a. 360 mg/L
Initial DO: 8.3
Final DO: 5.9
Milliliters of sample used: 2
a. 360 mg/L
b. 210 mg/L
c. 856 mg/L
d. 36 mg/L
Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
Practice
Wastewater
Exam –Operator
Practice Basic
Questions
Practice
Wastewater
Exam
_ Exam
–Operator
Preparation
Practice Questions
Practice
Material.pdf
Exam
_ Exam– Preparation
Practice Questions
Material.pdf
_ Exam Preparation Material.pdf
Basic Wastewater
Operator Practice
Exam – Practice
Questions / Exam
Preparation
Material
Basic Wastewater Operator Basic
Practice
Wastewater
Exam –Operator
Practice Basic
Questions
Practice
Wastewater
Exam
_ Exam
–Operator
Preparation
Practice Questions
Practice
Material.pdf
Exam
_ Exam– Preparation
Practice Questions
Material.pdf
_ Exam Preparation Material.pdf
,Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
Terms in this set (125)
What is the predominant organism in a healthy A. Stalked Ciliates
activated sludge treatment plant?
A. Stalked ciliates
B. rotifers
C. nematodes
D. amoebas
A composite sample must be? D. representative and sub-samples time spaced over 15 minutes apart
A. sporadically collected in the treatment plant
B. taken at one time
C. analyzed immediately
D. representative and sub-samples time spaced
over 15 minutes apart
Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
,Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
What is the standard volume for a BOD sample c. 300 mL
bottle?
A. 150 mL
B. 200 mL
C. 300 mL
D. 500 mL
If you have a lime slurry feed line, what is the best A. plug valve
valve to use?
A. plug valve
B. butterfly valve
C. RPZ dual check valve
D. gate valve
Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
, Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
5. If you notice a predominance of rotifers in your C. old sludge
activated sludge sample while looking at it under a
microscope, what does this indicate?
A. healthy sludge
B. young sludge
C. old sludge
D. middle age sludge
Calculate the BOD using the given information: a. 360 mg/L
Initial DO: 8.3
Final DO: 5.9
Milliliters of sample used: 2
a. 360 mg/L
b. 210 mg/L
c. 856 mg/L
d. 36 mg/L
Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
