I had the same problem with my ABC exam for my industrial license. Illinois Rural Water Association 3305 Kennedy Road; PO Box 49 Taylorville, IL 62568 Phone: 217-287-2115 Fax: 217-824-8638 Email: ilrwa@ilrwa.org g.async=!0,g.src=t,h.appendChild(g)} Class 4 Study Guide Wastewater Operator Certification . a. BOD They all produce high volumes of wastewater. a. screw feeder I got a book from WEF and studied a few online resources recommended on here. The most common flow-measure device for wastewater is a_____, Wastewater Treatment Facilities: d. positive displacement. Keyword Glossary. Thanks for your reply! d. activated sludge, Wastewater Treatment Facilities: Typically, in the flotation thickening method, how much performance improvement (%) is the amount of solids for waste activated sludge realized when a polymer is added? What is the name of the solids treatment method that maintains a certain pH for at least 2 hrs, then with the final product which can then be applied directly to land is called______. Maintenance: Add to folder At what concentration level should dissolved oxygen be maintained during the initial start up of a oxidation ditch? Lab-Getting Trendy d. dissolved oxygen, Wastewater Solids Processing: The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. Wastewater Laboratory Analyst Certification Exam Practice. feathr("sprinkle", "page_view"); d. low operating costs, as they are east to run, Secondary Treatment: 2017 Wastewater Treatment Operator Formula/Conversion Table. Activated Sludge Module 4 . What is the solids treatment method that chemically treats the residual flow, then spread evenly over a porous belt? d. hydrochloric acid. Sludge Digestion & Solids Handling: 2,135 Gal./Min. What do skirts provide in anaerobic digesters? It makes it a lot more challenging when, say, your system is just lagoons and they are asking questions about advanced processes. a. reducing the number if weeds 0000001180 00000 n Introducing Cram Folders! Basic Chemistry: 4 feet deep 8 feet deep 3 feet wide 7) A wet well is 9 feet deep by 21 feet in diameter. ._2FKpII1jz0h6xCAw1kQAvS{background-color:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.1),0 2px 3px 0 rgba(0,0,0,.2);transition:left .15s linear;border-radius:57%;width:57%}._2FKpII1jz0h6xCAw1kQAvS:after{content:"";padding-top:100%;display:block}._2e2g485kpErHhJQUiyvvC2{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;-ms-flex-pack:start;justify-content:flex-start;background-color:var(--newCommunityTheme-navIconFaded10);border:2px solid transparent;border-radius:100px;cursor:pointer;position:relative;width:35px;transition:border-color .15s linear,background-color .15s linear}._2e2g485kpErHhJQUiyvvC2._3kUvbpMbR21zJBboDdBH7D{background-color:var(--newRedditTheme-navIconFaded10)}._2e2g485kpErHhJQUiyvvC2._3kUvbpMbR21zJBboDdBH7D._1L5kUnhRYhUJ4TkMbOTKkI{background-color:var(--newRedditTheme-active)}._2e2g485kpErHhJQUiyvvC2._3kUvbpMbR21zJBboDdBH7D._1L5kUnhRYhUJ4TkMbOTKkI._3clF3xRMqSWmoBQpXv8U5z{background-color:var(--newRedditTheme-buttonAlpha10)}._2e2g485kpErHhJQUiyvvC2._1asGWL2_XadHoBuUlNArOq{border-width:2.25px;height:24px;width:37.5px}._2e2g485kpErHhJQUiyvvC2._1asGWL2_XadHoBuUlNArOq ._2FKpII1jz0h6xCAw1kQAvS{height:19.5px;width:19.5px}._2e2g485kpErHhJQUiyvvC2._1hku5xiXsbqzLmszstPyR3{border-width:3px;height:32px;width:50px}._2e2g485kpErHhJQUiyvvC2._1hku5xiXsbqzLmszstPyR3 ._2FKpII1jz0h6xCAw1kQAvS{height:26px;width:26px}._2e2g485kpErHhJQUiyvvC2._10hZCcuqkss2sf5UbBMCSD{border-width:3.75px;height:40px;width:62.5px}._2e2g485kpErHhJQUiyvvC2._10hZCcuqkss2sf5UbBMCSD ._2FKpII1jz0h6xCAw1kQAvS{height:32.5px;width:32.5px}._2e2g485kpErHhJQUiyvvC2._1fCdbQCDv6tiX242k80-LO{border-width:4.5px;height:48px;width:75px}._2e2g485kpErHhJQUiyvvC2._1fCdbQCDv6tiX242k80-LO ._2FKpII1jz0h6xCAw1kQAvS{height:39px;width:39px}._2e2g485kpErHhJQUiyvvC2._2Jp5Pv4tgpAsTcnUzTsXgO{border-width:5.25px;height:56px;width:87.5px}._2e2g485kpErHhJQUiyvvC2._2Jp5Pv4tgpAsTcnUzTsXgO ._2FKpII1jz0h6xCAw1kQAvS{height:45.5px;width:45.5px}._2e2g485kpErHhJQUiyvvC2._1L5kUnhRYhUJ4TkMbOTKkI{-ms-flex-pack:end;justify-content:flex-end;background-color:var(--newCommunityTheme-active)}._2e2g485kpErHhJQUiyvvC2._3clF3xRMqSWmoBQpXv8U5z{cursor:default}._2e2g485kpErHhJQUiyvvC2._3clF3xRMqSWmoBQpXv8U5z ._2FKpII1jz0h6xCAw1kQAvS{box-shadow:none}._2e2g485kpErHhJQUiyvvC2._1L5kUnhRYhUJ4TkMbOTKkI._3clF3xRMqSWmoBQpXv8U5z{background-color:var(--newCommunityTheme-buttonAlpha10)} 2014. when taking a bacteria sample, the sample bottle should be filled with water. The current imbalance between legs of polyphase motors should never exceed____%, Maintenance: This course will prepare you to pass your entry level wastewater treatment operator exam with confidence and get you started on your way to a successful and satisfying career in wastewater treatment. Test takers are allowed three hours to complete the exam. Pools with crystal clear water look inviti Use LEFT and RIGHT arrow keys to navigate between flashcards; Use UP and DOWN arrow keys to flip the card; audio not yet available for this language. (Time of day), Waste Treatment Ponds: b. improve operations before digester d. once every other day, Sludge Digestion & Solids Handling: If a single stage or primary tank has foam in the supernatant due to an "organic overload" in the digester, what is the best solution? activated sludge in an aeration tank -pH is 7.2. the floating cover on an anaerobic should be inspected how often? .Rd5g7JmL4Fdk-aZi1-U_V{transition:all .1s linear 0s}._2TMXtA984ePtHXMkOpHNQm{font-size:16px;font-weight:500;line-height:20px;margin-bottom:4px}.CneW1mCG4WJXxJbZl5tzH{border-top:1px solid var(--newRedditTheme-line);margin-top:16px;padding-top:16px}._11ARF4IQO4h3HeKPpPg0xb{transition:all .1s linear 0s;display:none;fill:var(--newCommunityTheme-button);height:16px;width:16px;vertical-align:middle;margin-bottom:2px;margin-left:4px;cursor:pointer}._1I3N-uBrbZH-ywcmCnwv_B:hover ._11ARF4IQO4h3HeKPpPg0xb{display:inline-block}._2IvhQwkgv_7K0Q3R0695Cs{border-radius:4px;border:1px solid var(--newCommunityTheme-line)}._2IvhQwkgv_7K0Q3R0695Cs:focus{outline:none}._1I3N-uBrbZH-ywcmCnwv_B{transition:all .1s linear 0s;border-radius:4px;border:1px solid var(--newCommunityTheme-line)}._1I3N-uBrbZH-ywcmCnwv_B:focus{outline:none}._1I3N-uBrbZH-ywcmCnwv_B.IeceazVNz_gGZfKXub0ak,._1I3N-uBrbZH-ywcmCnwv_B:hover{border:1px solid var(--newCommunityTheme-button)}._35hmSCjPO8OEezK36eUXpk._35hmSCjPO8OEezK36eUXpk._35hmSCjPO8OEezK36eUXpk{margin-top:25px;left:-9px}._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP,._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP:focus-within,._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP:hover{transition:all .1s linear 0s;border:none;padding:8px 8px 0}._25yWxLGH4C6j26OKFx8kD5{display:inline}._2YsVWIEj0doZMxreeY6iDG{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-metaText);display:-ms-flexbox;display:flex;padding:4px 6px}._1hFCAcL4_gkyWN0KM96zgg{color:var(--newCommunityTheme-button);margin-right:8px;margin-left:auto;color:var(--newCommunityTheme-errorText)}._1hFCAcL4_gkyWN0KM96zgg,._1dF0IdghIrnqkJiUxfswxd{font-size:12px;font-weight:700;line-height:16px;cursor:pointer;-ms-flex-item-align:end;align-self:flex-end;-webkit-user-select:none;-ms-user-select:none;user-select:none}._1dF0IdghIrnqkJiUxfswxd{color:var(--newCommunityTheme-button)}._3VGrhUu842I3acqBMCoSAq{font-weight:700;color:#ff4500;text-transform:uppercase;margin-right:4px}._3VGrhUu842I3acqBMCoSAq,.edyFgPHILhf5OLH2vk-tk{font-size:12px;line-height:16px}.edyFgPHILhf5OLH2vk-tk{font-weight:400;-ms-flex-preferred-size:100%;flex-basis:100%;margin-bottom:4px;color:var(--newCommunityTheme-metaText)}._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX{margin-top:6px}._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._3MAHaXXXXi9Xrmc_oMPTdP{margin-top:4px} d. fats. b. F/M Water Treatment Certification practice tests, flashcards, study guides, and more. Sludge Digestion & Solids Handling: Filter sloughings are a product of: Sedimentation and Flotation: Stabilization Ponds Operations Manual USEPA 430/9-77-012 Available through: c. carbon in organic matter Of the following, which is the least important nutrient in wastewater treatment for microorganisms to reproduce? 10 PPM. -high surface turbulence. What about the removal of suspended solids? Sludge Digestion & Solids Handling: I was successful writing my level III Water Distribution but it too had a lot of questions about water treatment, cross connection control, GIS systems, blueprints, dosages etc. c. volatile-acid-alkalinity ratio d. organisms available to treat the wastes, Activated Sludge: In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. At what depth should samples be collected from a waste pond? Standards of conduct and practice were revised to exclude marijuana-related drug distribution misdemeanor convictions from convictions that a regulant must report to the Board. b. food entering the process (solids) The ABC formula sheet is provided, and you must bring a non-programmable calculator. Typically what average percent of total solids in a domestic wastewater, both dissolved and suspended, are inorganics. Secondary clarifiers are usually located after: What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. How many steps are the in coagulation? c. DO c. temperature b. mineral oils b. The Association Certification of Boards doesnt take all of their questions from one book, there are usually several books that they take information from and then compile an exam. Available to Treatment and Distribution Members. r.invoke.apply(r,arguments):r.queue.push(arguments)}, a.complete mix aeration Approved Environment, Inc. offers 50 online continuing education (CE) courses for water and wastewater. The specific gravity standard for gases is_______, Basic Chemistry: c. composting What would be the most probable cause for gas leaking through the pressure relief valve on the digester's roof? Safety: Sedimentation and Flotation: 50%. Answers and references are included for questions. An anaerobic sludge digester should be operated such that________________, acid formation is equal to methane formation, Sludge Digestion & Solids Handling: This course includes the following lessons: System Design and Layout, Distribution Piping, Water Storage, Fire Hydrants and Valves, Water Meters, Pumps and Motors, Cross-Connection Control, Disinfection, Corrosion Control, Water Quality, Water Main Installation and Backfilling, Safety, Regulations, Hydraulics the books are a tad overkill for the ABC tests. Name the solids treatment method that has a solids buildup which forms a blanket on the bottom and forces the water out due to compression?