c. carbon in organic matter To see these classes - CLICK HERE. a. increase air in aeration system d. DO. I found a lot of the 3 questions were around anaerobic digestion so I focused a lot on that and it helped me pass. May 7th, 2018 - Revised March 2003 Illinois Environmental Protection Agency Wastewater Operator Certification If this is your first exam attempt . Need to know criteria. PDF Illinois Environmental Protection Agency Bureau of Water Class 4 Study b. correct faulty plant operation directs raw and digested sludge mixture to a heating area. Effluent Disposal: . Wastewater Operator Certification Study Guide Spi Edition r.queue=[],r.loaded=1*new Date,r.version="1.0.0", a. There are 22 individual lesson modules included in this course. brought to you by royceu.com 100:2:1 d. about the same volume as the grit being removed. Wastewater Collections Grade 2 Practice Test California Wastewater Collections Grade 2 Practice Test California Water and Wastewater Courses For Operator Certification. what % of the dissolved solids in wastewater are inorganics, Wastewater sources & characteristics: c. DO c. power requirements are low a. O2 (+3) Filter sloughings are a product of: Sedimentation and Flotation: The exams are aimed at your overall knowledge and experience in the field as an operator, not just skills and experience of the system you are currently running. This solids treatment method maximizes the reduction of moisture and solids is called_______, Wastewater Solids Processing: Math for Wastewater Treatment Operators Grades 3 amp 4 March 13th, 2009 - Math for Wastewater Treatment Operators Grades 3 amp 4 Practice Problems to Prepare for Wastewater Treatment Operator Certification Exams 1st Edition Catalog Roane State Community College April 30th, 2018 - Note The terms in which a course is normally /Filter /FlateDecode a. hair (Time of day), Waste Treatment Ponds: What is the solids treatment method that aerated the recycles water from the unit under pressure? ._9ZuQyDXhFth1qKJF4KNm8{padding:12px 12px 40px}._2iNJX36LR2tMHx_unzEkVM,._1JmnMJclrTwTPpAip5U_Hm{font-size:16px;font-weight:500;line-height:20px;color:var(--newCommunityTheme-bodyText);margin-bottom:40px;padding-top:4px;text-align:left;margin-right:28px}._2iNJX36LR2tMHx_unzEkVM{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex}._2iNJX36LR2tMHx_unzEkVM ._24r4TaTKqNLBGA3VgswFrN{margin-left:6px}._306gA2lxjCHX44ssikUp3O{margin-bottom:32px}._1Omf6afKRpv3RKNCWjIyJ4{font-size:18px;font-weight:500;line-height:22px;border-bottom:2px solid var(--newCommunityTheme-line);color:var(--newCommunityTheme-bodyText);margin-bottom:8px;padding-bottom:8px}._2Ss7VGMX-UPKt9NhFRtgTz{margin-bottom:24px}._3vWu4F9B4X4Yc-Gm86-FMP{border-bottom:1px solid var(--newCommunityTheme-line);margin-bottom:8px;padding-bottom:2px}._3vWu4F9B4X4Yc-Gm86-FMP:last-of-type{border-bottom-width:0}._2qAEe8HGjtHsuKsHqNCa9u{font-size:14px;font-weight:500;line-height:18px;color:var(--newCommunityTheme-bodyText);padding-bottom:8px;padding-top:8px}.c5RWd-O3CYE-XSLdTyjtI{padding:8px 0}._3whORKuQps-WQpSceAyHuF{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-actionIcon);margin-bottom:8px}._1Qk-ka6_CJz1fU3OUfeznu{margin-bottom:8px}._3ds8Wk2l32hr3hLddQshhG{font-weight:500}._1h0r6vtgOzgWtu-GNBO6Yb,._3ds8Wk2l32hr3hLddQshhG{font-size:12px;line-height:16px;color:var(--newCommunityTheme-actionIcon)}._1h0r6vtgOzgWtu-GNBO6Yb{font-weight:400}.horIoLCod23xkzt7MmTpC{font-size:12px;font-weight:400;line-height:16px;color:#ea0027}._33Iw1wpNZ-uhC05tWsB9xi{margin-top:24px}._2M7LQbQxH40ingJ9h9RslL{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-actionIcon);margin-bottom:8px} Which one of the following species is ozone? Sludge Digestion & Solids Handling: c)Replenish chemical stock. 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. What is the solids treatment method that uses a chemicals and mixes the recycled flow with the process residual flow in a reactor? anatomy and physiology. c. tapered aeration a. thickening c. composting b. primary clarification It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. b. twice per day Hb```f``d30 P9eVcrV),VA`}. Practice Exams - Sewer Geek Smith, Michael Abbott. If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? what would be the best solution if the volatile-acid-to-alkalinity ratio increased to 0.3 in a digester due to pumping thin sludge? VI. Read more ISBN-10 1583217282 ISBN-13 978-1583217283 Edition Spi Publisher Find out how you can intelligently organize your Flashcards. b. extended aeration activate sludge Sludge Digestion & Solids Handling: If power to a Test Center is temporarily interrupted during an administration, your examination will be restarted. d. preaeration. What document provides a profile of hazardous substances and/or mixtures? 10 PPM. The RX Drug Company has just purchased a capsulating machine for $76,000. The color of the bio-film on a rotating biological contactor undergoing nitrification would appear? View the 2020-2021 wastewater exam summary statistics of quarterly exam results HERE. My tests are based off of ABC and Sacramento too. Class I - Wastewater Class I - Operator Class I - Water Distribution Class II - Operator Class II - Water Distribution Class III - Water Treatment Class III - Water Distribution Class IV - Water Distribution Learning Excel Workbook Basics Function Basics More Training on Microsoft's website Puzzle Puzzle: KRWA is going to PIECES! illinois class 4 wastewater practice test The least desirable control method for an anaerobic digester is the use of digester____ .FIYolDqalszTnjjNfThfT{max-width:256px;white-space:normal;text-align:center} Safety: Maintenance: Which chemical in the following list is the strongest disinfectant? Virtual Water workshops meet from 1:00 p.m. to 4:00 p.m. 2,135 Gal./Min. Safety: d. remove sludge digester, Odor Control: Which one of the following methods would not be used to feed DRY chemicals? Rotating Biological Contactors: d. composting, Wastewater Solids Processing: ._3bX7W3J0lU78fp7cayvNxx{max-width:208px;text-align:center} Sludge Digestion & Solids Handling: If the gas pressure in a digester is lower than normal, what is the most probable cause? ABC wastewater exam class III : r/Wastewater - reddit.com ABC's website provides Need to Know Criteria for exams. c. cyanides Water and Wastewater Microbiology" Southern Illinois University Edwardsville is authorized to operate as a postsecondary educational institution by the Illinois . To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? 0000045118 00000 n These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. a. step aeration Which one of the following parameters can be preserved for later lab analysis? Maintenance: b. screenings a. polishing pond Water Treatment Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. Study materials to help you succeed. 2,380 Gal./Min. The major gas produced by aerobic decomposition is:_______. The panel is comprised of 8 experts who Water Distribution Certification practice tests, flashcards, study guides, and more. Answers and references are included for questions. Activated Sludge Module 1 . Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. a. primary clarifier Saprophytic microorganisms are also called: Sludge Digestion & Solids Handling: Regarding waste pond lab sampling, which parameter is sampled at the influent of the pond? The purpose of adding sodium thiosulfate to a microbiological sample bottle is to. trailer << /Size 71 /Info 56 0 R /Root 59 0 R /Prev 99132 /ID[<188235b86438cd10632dbf081acd9545>] >> startxref 0 %%EOF 59 0 obj << /Type /Catalog /Pages 54 0 R /Metadata 57 0 R /PageLabels 52 0 R >> endobj 69 0 obj << /S 236 /L 297 /Filter /FlateDecode /Length 70 0 R >> stream IX. Wastewater Solids Processing: Which one of the following solids treatment methods can be classified as both stabilization and dewatering? Residual Solids Management: (time of day), Waste Treatment Ponds: 122 terms. What is the recommended withdrawal of chlorine in pounds from a 100 or 150 lb cylinder in a 24-hr period such that freezing does not occur? They do list the books they pull info from. Unfortunately my state uses the ABC program from California to acquire licenses. What is WEF? That may seem obvious but, too many people take the certification exam with little or no preparation. THESE ARE NOT DUPLICATE QUESTIONS FROM ANY STATE EXAM. b. d)Test start standby pimps, motors and generators. Which of the following groups of microorganisms are found in a good settling mixed liquor? GA Water Operator Training | American Water College Secondary Treatment: What is the purpose of a draft tube in an anaerobic sludge digester? 2017 Standardized Wastewater Treatment Operator Exams What is the odor detection limit of chlorine gas? A pond that contains oxygen in its upper layers and lacks oxygen in the bottom layer is classified as, Waste Treatment Ponds: And what online studies did you use? c. rotating feeder Sludge Digestion & Solids Handling: a.complete mix aeration Wastewater Certification Practice Exam | Approved Environment Inc. b. nitrogen -the tank is exhibiting high rates of foaming. c. 100:10:3 I took the provided training seminars but with COVID they're all zoom . Post was not sent - check your email addresses! The resources below are provided as an aid to students studying and practicing for their state exams as well as a helpful resource in the daily operation of a water/wastewater treatment plant. Free Test Prep Training Resources for Op - WaterOperator.org Test takers are allowed three hours to complete the exam. DERFSTA. Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls? Outline 50%. By the way, please keep in mind these problems are for anyone who is pursuing the first two certification levels. If this is your first exam attempt, a short history of the current exam development should be of interest. Draft tube propeller mixers are subject to corrosion from____ b. decrease circulation In general, secondary sludges: 0000001026 00000 n Given the following information: -aerobic digester dissolved oxygen level is at 3.5 mg/L. Our proven study tools will prepare you to take the Water Treatment, Water Distribution and Wastewater Operator exams with confidence. 0000002075 00000 n How often should the liquid level be checked on a digester to prevent overfilling? Rotating Biological Contactors: Please select the correct language below. Waste Treatment Ponds: c. hypochlorite acid 8 0 obj ._1x9diBHPBP-hL1JiwUwJ5J{font-size:14px;font-weight:500;line-height:18px;color:#ff585b;padding-left:3px;padding-right:24px}._2B0OHMLKb9TXNdd9g5Ere-,._1xKxnscCn2PjBiXhorZef4{height:16px;padding-right:4px;vertical-align:top}.icon._1LLqoNXrOsaIkMtOuTBmO5{height:20px;vertical-align:middle;padding-right:8px}.QB2Yrr8uihZVRhvwrKuMS{height:18px;padding-right:8px;vertical-align:top}._3w_KK8BUvCMkCPWZVsZQn0{font-size:14px;font-weight:500;line-height:18px;color:var(--newCommunityTheme-actionIcon)}._3w_KK8BUvCMkCPWZVsZQn0 ._1LLqoNXrOsaIkMtOuTBmO5,._3w_KK8BUvCMkCPWZVsZQn0 ._2B0OHMLKb9TXNdd9g5Ere-,._3w_KK8BUvCMkCPWZVsZQn0 ._1xKxnscCn2PjBiXhorZef4,._3w_KK8BUvCMkCPWZVsZQn0 .QB2Yrr8uihZVRhvwrKuMS{fill:var(--newCommunityTheme-actionIcon)} Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. Wastewater sources & characteristics: a. BOD b. oils and greases a. conventional modification Tightened down to a drip. ._12xlue8dQ1odPw1J81FIGQ{display:inline-block;vertical-align:middle} Grease should be cleaned from walkaways with a stiff brush and a. airstream treatment Pre-Lab The clarity of a chlorine contact basin's effluent is considered good when the "Secchi" disk can be read at a level of___ft, Ca Grade 2 Wastewater Treatment Operator Prac, Wastewater Treatment Operator Certification T, 3 , , WasteWater Operator Certification Study Guide, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, Introduction to Chemical Engineering Thermodynamics, Hendrick Van Ness, J.M. Wastewater Tougher Questions wastewater grade 1 Wastewater Certification Grade 2 Flashcards Wastewater Grade 4 Questions Wastewater Grade 4 Questions by coe1069 , Mar. Is the following substances likely to serve as an oxidant or a reductant: A scuba diver wears a diving mask with a face plate that bulges outward with a radius of curvature of 0.5m0.5 \mathrm{~m}0.5m. There is thus a convex spherical surface between the water and the air in the mask. b. a little organic material Wastewater Class 2 multiple choice. b. improve operations before digester True. If is not recommended to start up trickling filters in the _____(season) because bacteria are most ofter dormant at this time, Trickling Filters: Another guy told me thats what he uses instead of the sacramento. The effluent from which process is called mixed liquor b. hypochlorous acid a. heavy metals PDF Practice Exams For Wastewater Laboratory Analyst Certification which type of centrifuge uses an other screw conveyor to move the solids to the discharge point? d. chemical oxidation. Which organism would most probably be associated with high suspended solids and biochemical oxygen demand (BOD). a. BOD Wastewater Exam 01 Flashcards - Cram.com Sewer "B" has 94,875 people at What do skirts provide in anaerobic digesters? For more practice problems: https://www.waterandwastewatercourses.com/To enroll in an online course: https://courses.waterandwastewatercourses.com/Grade 1: . 14 sec. Wastewater Operator Certification - Illinois 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? The exam consists of 100 multiple choice questions. activated sludge in an aeration tank b. grit Sorry, your blog cannot share posts by email. Loading Rates. Basic Chemistry: Calculate the BOD given the information: Initial DO: 8.3. d. 8 stages, Rotating Biological Contactors: a. heat treatment Good luck. a.secondary clarification Which one of the following ius the least important in the successful operation of an activated sludge plant? Enhanced Biological (Nutrient) Control: $32 c. $36 d. $42.50 0000001543 00000 n What does the wastewater industry call sludge that is only partially digested? Sludge Digestion & Solids Handling: If there is a leak from a valve on a sulfur dioxide tank and the lead is found using ammonia, what color will the vapor fumes be? Water and Wastewater Microbiology" (b) What is the magnification of the image of the fish? 78 terms. Wastewater Works Operator Class 4 Wastewater Treatment Operator Class I - 2017 Edition Wastewater Treatment Wastewater Treatment, Collection, Industrial . Best of luck you! What is the ultimate measure of effective chlorination? Study Tools | American Water College Wastewater Solids Processing: The standard for gases has a density of. Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. (hint: the elements social CHAPTER THREE The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. MATERIAL AND METHODS ._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)} The allowable voltage above or below the value stamped on a motor's nameplates is_____%, Maintenance: b. A fish is 2.5m2.5 \mathrm{~m}2.5m in front of the diving mask. b. vacuum filters d. dissolved oxygen, Wastewater Solids Processing: d. 100:12:5, Trickling Filters: Primary treatment is not required in which modified activated sludge process? the Illinois EPA requires that routine bacteria samples to be taken and analyzed how often. . Rainwater runoff is also considered as w Name ____________________________________ Pass your test the first time! Adequate ___BOD, ____nitrogen, ____Phosphorous ratio for microorganisms to grow is usually Which one of the following types of wastewater ponds listed below is not classified like the other three? d. compost. ABC | Sample Exam Questions STUDY STRATEGY 10-13 . Wef Wastewater Operators Practice Exam - Cram.com d. organic toxicants, Activated Sludge: Study key C amp D IN gov. d. organisms available to treat the wastes, Activated Sludge: g.async=!0,g.src=t,h.appendChild(g)} the floating cover on an anaerobic should be inspected how often? Edwardsville, IL 62026-1075 (618) 650-2030 7. Always pour the acid into the water. You have to finish following quiz, to start this quiz: When organic wastes are discharged to receiving water, oxygen is depleted by. Perfect for water distribution operators taking their D-1, D-2, D3 Operator exams (DI-DIII.) d. N2O. How often should the motor bearings be greased in a rotating biological contactor unit? Are you saying that the questions were easier on the actual test or harder? Odor Control: Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. c. once per day What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? se&{1k">N0{5yur-;5Y5#[ !q& kH'U!p_,JjrDGM&tv.~Qsn,3u}L> b)>c^\!rA[6GOE;5N8&6\ciu2k Environmental Resources Training Center - Certification - SIUE d. extended aeration activated sludge. 5,$>/SFZ=_Y;PA v UhK1.N7,#Fi__&5&h5mm>b8AE^dGP7\A6fS-/z%o%ND(uaheK^R`;tf![mIMv=X%[ej1v!OypyRO5Qje|=:"*!KUgJ}-*C_.>(P@&iGl/W"-vZe0}[T]]M AWw4q:;) x~H60qg;05?R52NQD* oqIyyydw/5[yU f[Wo3Z0/=y_avd67!@vP1[ =7$F5]X\. d. raw sewage. In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. Motor insulation material comes in four classes and the are based on_______, Maintenance: Waste Treatment Ponds: Which one the following types of substances is corrosive and may interfere with biological treatment Test yourself before taking your state exam. a. high sludge production The most common flow-measure device for wastewater is a_____, Wastewater Treatment Facilities: How often should flame arresters be service on anaerobic digesters? ._2ik4YxCeEmPotQkDrf9tT5{width:100%}._1DR1r7cWVoK2RVj_pKKyPF,._2ik4YxCeEmPotQkDrf9tT5{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}._1DR1r7cWVoK2RVj_pKKyPF{-ms-flex-pack:center;justify-content:center;max-width:100%}._1CVe5UNoFFPNZQdcj1E7qb{-ms-flex-negative:0;flex-shrink:0;margin-right:4px}._2UOVKq8AASb4UjcU1wrCil{height:28px;width:28px;margin-top:6px}.FB0XngPKpgt3Ui354TbYQ{display:-ms-flexbox;display:flex;-ms-flex-align:start;align-items:flex-start;-ms-flex-direction:column;flex-direction:column;margin-left:8px;min-width:0}._3tIyrJzJQoNhuwDSYG5PGy{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;width:100%}.TIveY2GD5UQpMI7hBO69I{font-size:12px;font-weight:500;line-height:16px;color:var(--newRedditTheme-titleText);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.e9ybGKB-qvCqbOOAHfFpF{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;width:100%;max-width:100%;margin-top:2px}.y3jF8D--GYQUXbjpSOL5.y3jF8D--GYQUXbjpSOL5{font-weight:400;box-sizing:border-box}._28u73JpPTG4y_Vu5Qute7n{margin-left:4px} FAQs - Wastewater Operator Certification - Illinois Odor Control: Questions: 26 | Attempts: 3527 | Last updated: Mar 22, 2022.