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Wastewater Treatment Operator Certification Bundled Exams Questions and Answers with Certified Solutions
Wastewater Treatment Operator Certification Bundled Exams Questions and Answers with Certified Solutions
[Meer zien]Wastewater Treatment Operator Certification Bundled Exams Questions and Answers with Certified Solutions
[Meer zien]Wastewater Treatment Operator Certification Test #2 Already Passed 
What is the typical BOD removal efficiency in a primary clarifier? 
A) 10 to 15% 
B) 40 to 60% 
C) 20 to 50% D) 95 to 99% C) 20 to 50% (v.1 pg 129) 
What does the "F" in F/M ratio represent? 
A) The microorganism population in the...
Voorbeeld 4 van de 34 pagina's
In winkelwagenWastewater Treatment Operator Certification Test #2 Already Passed 
What is the typical BOD removal efficiency in a primary clarifier? 
A) 10 to 15% 
B) 40 to 60% 
C) 20 to 50% D) 95 to 99% C) 20 to 50% (v.1 pg 129) 
What does the "F" in F/M ratio represent? 
A) The microorganism population in the...
Wastewater Operator certification Study Guide-Grade 2 Already Passed 
General Wastewater Treatment: 
What is the pressure head caused by? Water elevation 
General Wastewater Treatment: 
What color should the piping be that contains reclaimed water? purple 
General Wastewater Treatment: 
What is the ...
Voorbeeld 4 van de 63 pagina's
In winkelwagenWastewater Operator certification Study Guide-Grade 2 Already Passed 
General Wastewater Treatment: 
What is the pressure head caused by? Water elevation 
General Wastewater Treatment: 
What color should the piping be that contains reclaimed water? purple 
General Wastewater Treatment: 
What is the ...
Waste Water Operator Lv 1 Exam Prep Already Graded A+ 
In the activated sludge process, some of the activated sludge must be wasted to... 
A. Prevent excessive solid buildup 
B. Prevent clogging of the sludge return line 
C. Prevent overloading of sludge return pumps D. Increase digester gas product...
Voorbeeld 3 van de 19 pagina's
In winkelwagenWaste Water Operator Lv 1 Exam Prep Already Graded A+ 
In the activated sludge process, some of the activated sludge must be wasted to... 
A. Prevent excessive solid buildup 
B. Prevent clogging of the sludge return line 
C. Prevent overloading of sludge return pumps D. Increase digester gas product...
Wastewater Treatment Operator Certification Test #1 Rated A+ 
What is the methane content in a properly operation anaerobic digester? 
A) 30 to 35% by volume 
B) 1 to 2% by volume 
C) 65 to 70% by volume D) 15 to 20% by volume C) 65 to 70% by volume (v.2 pg 158) 
What will the addition of chlorine g...
Voorbeeld 4 van de 35 pagina's
In winkelwagenWastewater Treatment Operator Certification Test #1 Rated A+ 
What is the methane content in a properly operation anaerobic digester? 
A) 30 to 35% by volume 
B) 1 to 2% by volume 
C) 65 to 70% by volume D) 15 to 20% by volume C) 65 to 70% by volume (v.2 pg 158) 
What will the addition of chlorine g...
Wastewater Treatment Operator Review Set 1 100% Pass WWTP Wastewater Treatment Plant A community or municipal facility designed according to state and federal regulations and permitted for the purposes of purifying soiled water or wastewater which is the water and solids from a community including r...
Voorbeeld 1 van de 3 pagina's
In winkelwagenWastewater Treatment Operator Review Set 1 100% Pass WWTP Wastewater Treatment Plant A community or municipal facility designed according to state and federal regulations and permitted for the purposes of purifying soiled water or wastewater which is the water and solids from a community including r...
Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 Already Passed What is the methane content in a properly operating anaerobic digester? 65 to 70% by volume 
What will the addition of chlorine gas do to the pH of wastewater? decrease the pH 
What is the purpose of a Parshall Flume? Measure th...
Voorbeeld 2 van de 12 pagina's
In winkelwagenCa Grade 2 Wastewater Treatment Operator Practice Exam 1 Already Passed What is the methane content in a properly operating anaerobic digester? 65 to 70% by volume 
What will the addition of chlorine gas do to the pH of wastewater? decrease the pH 
What is the purpose of a Parshall Flume? Measure th...
Wastewater Operator (class 1) 100% Pass 
What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? Storm events 
Combined wastewater is defined as Sanitary wastewater and stormwater runoff 
In general, the solids content in wastewater is about 0...
Voorbeeld 1 van de 3 pagina's
In winkelwagenWastewater Operator (class 1) 100% Pass 
What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? Storm events 
Combined wastewater is defined as Sanitary wastewater and stormwater runoff 
In general, the solids content in wastewater is about 0...
Waste Water Operator Certification Study Guide Grade 1 Already Passed 
WasteWater Sources & Characteristics: 
What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? storm events 
WasteWater Sources & Characteristics: 
Combined wastewater is d...
Voorbeeld 3 van de 26 pagina's
In winkelwagenWaste Water Operator Certification Study Guide Grade 1 Already Passed 
WasteWater Sources & Characteristics: 
What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? storm events 
WasteWater Sources & Characteristics: 
Combined wastewater is d...
Operation of Wastewater Treatment Plants (Level 1 Exam Prep) Questions and Answers Graded A+ 
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 _____ flum...
Voorbeeld 4 van de 47 pagina's
In winkelwagenOperation of Wastewater Treatment Plants (Level 1 Exam Prep) Questions and Answers Graded A+ 
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 _____ flum...
Ca Grade 2 Wastewater Treatment Operator Practice Exam 4 Already Passed 1 mg/l is the same as 1 part per billion F 
A scada system is capable of monitoring and controlling equipment from where? remote location 
A Discharge Monitoring Report is typically submitted to the regulatory agency on daily ba...
Voorbeeld 2 van de 12 pagina's
In winkelwagenCa Grade 2 Wastewater Treatment Operator Practice Exam 4 Already Passed 1 mg/l is the same as 1 part per billion F 
A scada system is capable of monitoring and controlling equipment from where? remote location 
A Discharge Monitoring Report is typically submitted to the regulatory agency on daily ba...
Wastewater Operator Class 3 Definitions (2022/2023) 100% Pass Clean Water Act 1977 primary legislation concerning water pollution and its regulation. It establishes the NPDES permit system that prohibits point sources from discharging pollutants into waters of the United States. 
EPA Environmental P...
Voorbeeld 4 van de 51 pagina's
In winkelwagenWastewater Operator Class 3 Definitions (2022/2023) 100% Pass Clean Water Act 1977 primary legislation concerning water pollution and its regulation. It establishes the NPDES permit system that prohibits point sources from discharging pollutants into waters of the United States. 
EPA Environmental P...
Waste Water Certification Test Questions and Answers Graded A Surface water runoff, storm water, sanitary and industrial. A collection system that is called "combined" may carry this kind of wastewater: 
2 The flow in a collection system should be a minimum of ____ feet per second (FPS)? 
Solids w...
Voorbeeld 4 van de 80 pagina's
In winkelwagenWaste Water Certification Test Questions and Answers Graded A Surface water runoff, storm water, sanitary and industrial. A collection system that is called "combined" may carry this kind of wastewater: 
2 The flow in a collection system should be a minimum of ____ feet per second (FPS)? 
Solids w...
Wastewater Treatment Class I Questions and Answers Already Graded A 
The first step the maintenance staff should take in properly locking and tagging out a piece of equipment is to... 
a) alert the operator on duty 
b) turn the equipment off at the motor control center (MCC) 
c) pull the switch on t...
Voorbeeld 4 van de 51 pagina's
In winkelwagenWastewater Treatment Class I Questions and Answers Already Graded A 
The first step the maintenance staff should take in properly locking and tagging out a piece of equipment is to... 
a) alert the operator on duty 
b) turn the equipment off at the motor control center (MCC) 
c) pull the switch on t...
TX Class C Wastewater Treatment License Question and Answers 100% Pass Preliminary Treatment 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. 
Wha...
Voorbeeld 4 van de 33 pagina's
In winkelwagenTX Class C Wastewater Treatment License Question and Answers 100% Pass Preliminary Treatment 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. 
Wha...
WasteWater Operator class C exam practice review questions and answers with certified solutions 
When Chlorine is combined with water what type of pipe should be used? 
A. Ductile iron 
B. Asbestos concrete 
C. PVC D. Carbon Steel C. PVC 
A good settling sludge would consist of what type of protozoa...
Voorbeeld 4 van de 42 pagina's
In winkelwagenWasteWater Operator class C exam practice review questions and answers with certified solutions 
When Chlorine is combined with water what type of pipe should be used? 
A. Ductile iron 
B. Asbestos concrete 
C. PVC D. Carbon Steel C. PVC 
A good settling sludge would consist of what type of protozoa...
Wastewater III Study Exam Latest Update Already Passed First action for a polymer spill Apply an absorbent to the spill such as sand or kitty litter and then sweep up the materials. 
Total discharge head includes Discharge pressure head + static discharge head + Velocity head (outlet) + Friction Hea...
Voorbeeld 2 van de 11 pagina's
In winkelwagenWastewater III Study Exam Latest Update Already Passed First action for a polymer spill Apply an absorbent to the spill such as sand or kitty litter and then sweep up the materials. 
Total discharge head includes Discharge pressure head + static discharge head + Velocity head (outlet) + Friction Hea...
Waste Water practice exam questions and answers with certified solutions Odors occur when treatment becomes Anaerobic 
What should an operator do before entering a manhole Test for all hazardous gases and oxygen levels and ventilate the manhole before entering 
What treatment devices is commonly use...
Voorbeeld 2 van de 5 pagina's
In winkelwagenWaste Water practice exam questions and answers with certified solutions Odors occur when treatment becomes Anaerobic 
What should an operator do before entering a manhole Test for all hazardous gases and oxygen levels and ventilate the manhole before entering 
What treatment devices is commonly use...
Wastewater Exam Class C Questions and Answers Already Passed 
The Activated Sludge Process: 
A. requires preaeration 
B. requires Activated Carbon 
C. is an aerobic biological process. 
D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. C. Is an Aero...
Voorbeeld 3 van de 20 pagina's
In winkelwagenWastewater Exam Class C Questions and Answers Already Passed 
The Activated Sludge Process: 
A. requires preaeration 
B. requires Activated Carbon 
C. is an aerobic biological process. 
D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. C. Is an Aero...
Water Treatment Operator Level 1 Sample Questions (Water Operator Certification Study Guide) Already Passed 
What are the two important factors impacting the effectiveness of chlorination? Concentration of chlorine and contact time 
The treatment process that controls corrosion or scaling is known a...
Voorbeeld 2 van de 7 pagina's
In winkelwagenWater Treatment Operator Level 1 Sample Questions (Water Operator Certification Study Guide) Already Passed 
What are the two important factors impacting the effectiveness of chlorination? Concentration of chlorine and contact time 
The treatment process that controls corrosion or scaling is known a...
Wastewater Practice exam questions and answers 100% pass When organic wastes are discharged to receiving waters, O2 is depleted by _____. bacteria 
Hydrogen sulfide gives off an odor similar to____. rotten eggs 
3 diseases potentially carried by wastewater are _____. typhoid fever, disentery, choler...
Voorbeeld 2 van de 7 pagina's
In winkelwagenWastewater Practice exam questions and answers 100% pass When organic wastes are discharged to receiving waters, O2 is depleted by _____. bacteria 
Hydrogen sulfide gives off an odor similar to____. rotten eggs 
3 diseases potentially carried by wastewater are _____. typhoid fever, disentery, choler...
Wastewater grade 1 exam questions and answers graded A+ domestic wastewater Comes from schools, homes, hospitals, businesses, light industrial facilities. 
population equivalents 100 lbs wastewater per day, .2 lbs TSS/day, .17 BOD/day 
industrial wastewater Comes from industries. Compatible wastes c...
Voorbeeld 2 van de 15 pagina's
In winkelwagenWastewater grade 1 exam questions and answers graded A+ domestic wastewater Comes from schools, homes, hospitals, businesses, light industrial facilities. 
population equivalents 100 lbs wastewater per day, .2 lbs TSS/day, .17 BOD/day 
industrial wastewater Comes from industries. Compatible wastes c...
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