Basic Wastewater Operator PracticeBasic
ExamWastewater
Study Guide
Operator
Questions
Practice
andBasic
Answers.pdf
ExamWastewater
Study Guide
Operator
Questions
Practice
and Answers.pdf
Exam Study Guide Questions and Answers.pdf
Basic Wastewater
Operator Practice
Exam Study Guide
Questions and
Answers
Basic Wastewater Operator PracticeBasic
ExamWastewater
Study Guide
Operator
Questions
Practice
andBasic
Answers
ExamWastewater
Study Guide
Operator
Questions
Practice
and Answers.pdf
Exam Study Guide Questions and Answers.pdf
,Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
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
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
Basic Wastewater Operator Practice Exam 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
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
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 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
If your activated sludge plant begins to nitrify, what a. settling in the clarifiers
conditions would you expect to decrease?
A. settling in clarifiers
B. chlorine demand
C. BOD effluent
D. TSS in effluent
How do you calibrate a chemical feed pump? A. by measuring the pump output
A. by measuring the pump output
B. using the SWAG method
C. jar test
D. with a microscope
What is the chemical formula for sulfuric acid? d. H2SO4
a. HNO3
b. HCl
c. NaOH
d. H2SO4
Basic Wastewater Operator Practice Exam Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
ExamWastewater
Study Guide
Operator
Questions
Practice
andBasic
Answers.pdf
ExamWastewater
Study Guide
Operator
Questions
Practice
and Answers.pdf
Exam Study Guide Questions and Answers.pdf
Basic Wastewater
Operator Practice
Exam Study Guide
Questions and
Answers
Basic Wastewater Operator PracticeBasic
ExamWastewater
Study Guide
Operator
Questions
Practice
andBasic
Answers
ExamWastewater
Study Guide
Operator
Questions
Practice
and Answers.pdf
Exam Study Guide Questions and Answers.pdf
,Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
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
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
Basic Wastewater Operator Practice Exam 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
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
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 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
If your activated sludge plant begins to nitrify, what a. settling in the clarifiers
conditions would you expect to decrease?
A. settling in clarifiers
B. chlorine demand
C. BOD effluent
D. TSS in effluent
How do you calibrate a chemical feed pump? A. by measuring the pump output
A. by measuring the pump output
B. using the SWAG method
C. jar test
D. with a microscope
What is the chemical formula for sulfuric acid? d. H2SO4
a. HNO3
b. HCl
c. NaOH
d. H2SO4
Basic Wastewater Operator Practice Exam Basic Wastewater Operator Practice Exam.pdf Basic Wastewater Operator Practice Exam.pdf
