Imhoff Study guides, Class notes & Summaries
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Operation of Wastewater Treatment prep complete exam questions and verified answers 2024/2025
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Operation of Wastewater Treatment prep complete exam questions and verified answers 2024/2025 
An Imhoff cone is used to measure________solids. 
A. suspended 
B. colloidal 
C. volatile 
D. settleable 
D. settleable 
 
(Operation of Wastewater Treatment Plants, Volume 1 
by Kenneth D. Kerri) 
 
 
A _____ flume is widely used for measuring wastewater flow. 
Parshall 
 
(Operation of Wastewater Treatment Plants, Volume 1 
by Kenneth D. Kerri) 
 
 
Velocity of flow in a grit channel must be reduced ...
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Operation of Wastewater Treatment prep complete exam questions and verified answers 2024/2025
- Exam (elaborations) • 21 pages • 2024
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Operation of Wastewater Treatment prep 
complete exam questions and verified 
answers 2024/2025 
An Imhoff cone is used to measure________solids. 
A. suspended 
B. colloidal 
C. volatile 
D. settleable - CORRECT ANSWER-D. settleable 
(Operation of Wastewater Treatment Plants, Volume 1 
by Kenneth D. Kerri) 
A _____ flume is widely used for measuring wastewater flow. - CORRECT ANSWERParshall 
(Operation of Wastewater Treatment Plants, Volume 1 
by Kenneth D. Kerri) 
Velocity of flow in a gri...
-
Operation of Wastewater Treatment prep complete exam questions and verified answers 2024/2025
- Exam (elaborations) • 21 pages • 2024
- Available in package deal
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- $15.49
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Operation of Wastewater Treatment prep 
complete exam questions and verified 
answers 2024/2025 
An Imhoff cone is used to measure________solids. 
A. suspended 
B. colloidal 
C. volatile 
D. settleable - CORRECT ANSWER-D. settleable 
(Operation of Wastewater Treatment Plants, Volume 1 
by Kenneth D. Kerri) 
A _____ flume is widely used for measuring wastewater flow. - CORRECT ANSWERParshall 
(Operation of Wastewater Treatment Plants, Volume 1 
by Kenneth D. Kerri) 
Velocity of flow in a gri...
-
Texas Class C Wastewater Treatment License Questions And Answers Latest 2024/2025 Graded A+.
- Exam (elaborations) • 16 pages • 2024
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Texas Class C Wastewater Treatment License Questions And Answers Latest 2024/2025 Graded A+. Preliminary Treatment - ANSWER-the 1st stage of sewage treatment where large 
debris, such as sticks, grit, and rags pas through a screen followed by a grit chamber, 
where the flow of water is slowed enough to allow for sedimentation. 
What stage of treatment is grit removal usually accomplished in? - ANSWERpreliminary treatment 
Rotating Biological Contactor - ANSWER-a type of biological secondary trea...
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Waste Water Operator Treatment 1 Certification Study Guide Grade 1 Q&A
- Exam (elaborations) • 12 pages • 2024
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Waste Water Operator Treatment 1 
Certification Study Guide Grade 1 Q&A 
WasteWater Sources & Characteristics: 
What is the most common reason for a wastewater to contain intermittent large amounts 
of sand, gravel, and grit? - CORRECT ANSWER-storm events 
WasteWater Sources & Characteristics: 
Combined wastewater is defined as - CORRECT ANSWER-sanitary wastewater and 
stormwater runoff 
WasteWater Sources & Characteristics: 
In general, the solids content in wastewater is about - CORRECT ANSW...
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Texas Wastewater License Exam Questions With 100% Correct Answers
- Exam (elaborations) • 27 pages • 2024
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Texas Wastewater License Exam Questions 
With 100% Correct Answers 
each person contributes about _______ pounds of BOD daily - answer0.17 
a ladder must be within ______ feet of anyone in a trench - answer25 
Examples of point source discharges include which of the following - answerMunicipal, 
industrial, and agricultural wastewater treatment facilities 
Protecting Texas water from contamination requires which of the following of wastewater - 
answerCollection and transportation to treatment, ...
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TEXAS WASTEWATER LICENSE (TREATMENT) QUESTIONS AND ANSWERS
- Exam (elaborations) • 28 pages • 2023
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Important factors that determine the type of treatment scheme that will be used include ________. 
Select one: 
 area available 
ent quality required 
ting costs 
 of the above 
d. 
all of the above 
 
 
 
Causes of sludge bulking include ________. 
Select one: 
 DO and presence of sulfides 
 supply too low 
ic loading rate too high 
ent imbalance 
 the above 
 the above 
 
 
 
A rotating biological contactor is ________. 
Select one: 
ced treatment rarely found in Texas 
b.a centrifuge for micr...
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OPERATION OF WASTEWATER TREATMENT PLANTS (LEVEL 1 EXAM PREP) QUESTIONS WITH CORRECT ANSWERS
- Exam (elaborations) • 21 pages • 2023
- Available in package deal
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An Imhoff cone is used to measure________solids. 
A. suspended 
B. colloidal 
C. volatile 
D. settleable CORRECT ANSWER D. settleable 
 
(Operation of Wastewater Treatment Plants, Volume 1 
by Kenneth D. Kerri) 
 
A _____ flume is widely used for measuring wastewater flow. CORRECT ANSWER Parshall 
 
(Operation of Wastewater Treatment Plants, Volume 1 
by Kenneth D. Kerri) 
 
Velocity of flow in a grit channel must be reduced to a range of ____ to _____ fps in order for grit to properly settle....
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Texas Class C Wastewater Treatment License Questions And Answers Latest 2024/2025 Graded A+.
- Exam (elaborations) • 16 pages • 2024
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- $12.99
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Texas Class C Wastewater Treatment License Questions And Answers Latest 2024/2025 Graded A+. What stage of treatment is grit removal usually accomplished in? - ANSWERpreliminary treatment 
Rotating Biological Contactor - ANSWER-a type of biological secondary treatment 
process 
How are protozoa (cause of amoebic dysentery) destroyed? - ANSWER-disinfection 
Other than stream discharge, what are other ways to dispose of effluent wastewater? - 
ANSWER-aquifer recharge, evaporation in a pond, and ap...
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WasteWater Operator Certification Study Guide Grade 1 Questions 100% Answered
- Exam (elaborations) • 12 pages • 2024
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- $10.99
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WasteWater Operator Certification Study Guide Grade 1 Questions 100% AnsweredWasteWater Sources & Characteristics: 
 
What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? -ANSWER storm events 
 
WasteWater Sources & Characteristics: 
 
Combined wastewater is defined as -ANSWER sanitary wastewater and stormwater runoff 
 
WasteWater Sources & Characteristics: 
 
In general, the solids content in wastewater is about -ANSWER 0.1% 
 
WasteW...
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