what would happen if too much sludge was added to an anaerobic digester? How far out from the water's edge should waste pond samples be collected? c/ dewatering Wastewater Solids Processing: When the pump is not running, the water rises in 3 min. A pond that contains algae and requires the use of compressor is classified as, Waste Treatment Ponds: The following are approved as reference sources for the 2017 ABC standardized wastewater treatment operator exams. a. screw feeder %PDF-1.2 a. organic toxicants . a. reducing the number if weeds Calculate the BOD given the information: Initial DO: 8.3. d. N2O. 58 0 obj << /Linearized 1 /O 60 /H [ 700 326 ] /L 100420 /E 48024 /N 15 /T 99142 >> endobj xref 58 13 0000000016 00000 n What do roller guides provide in an anaerobic digester? Which of the following groups of microorganisms are found in a good settling mixed liquor? 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! Keyword Glossary. b)Determine that all the plant equipment is operational. Which one of the following best defines the term stray-current corrosion? Mixed liquor is a combination of what 3 things? Wastewater Grade 2 t f Flashcards Quizlet. The exam consists of 100 multiple choice questions. What organism would most likely enhance the penetration of oxygen into the activated sludge, Rocks/Screens/Comminutors & Grit Removal: Basic Chemistry: c. volatile-acid-alkalinity ratio Which one of the following types of wastewater ponds listed below is not classified like the other three? Test yourself before taking your state exam. -pH is 7.2. no one is perfect and as long as you make progress, i'd be happy with the effort. Which method would not be used to feed LIQUID chemicals? What substance can cause obstructions in the sewer system and may cause anaerobic decomposition where the substances accumulate? % d. DO. Sludge Digestion & Solids Handling: b. using masking agents Activated Sludge: Determine the percentage volatile suspended solids of a sample given the following data. c. complex mix aeration Study Guide . When an electrolyte is dissolved in water to form an ion, the ion is said to be________, Basic Chemistry: Secondary Treatment: c. reduce the number of weeds c. tapered aeration Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. d. chemical oxidation. .LalRrQILNjt65y-p-QlWH{fill:var(--newRedditTheme-actionIcon);height:18px;width:18px}.LalRrQILNjt65y-p-QlWH rect{stroke:var(--newRedditTheme-metaText)}._3J2-xIxxxP9ISzeLWCOUVc{height:18px}.FyLpt0kIWG1bTDWZ8HIL1{margin-top:4px}._2ntJEAiwKXBGvxrJiqxx_2,._1SqBC7PQ5dMOdF0MhPIkA8{vertical-align:middle}._1SqBC7PQ5dMOdF0MhPIkA8{-ms-flex-align:center;align-items:center;display:-ms-inline-flexbox;display:inline-flex;-ms-flex-direction:row;flex-direction:row;-ms-flex-pack:center;justify-content:center} Sewer "B" has 94,875 people at . Find out how you can intelligently organize your Flashcards. The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. I took the provided training seminars but with COVID they're all zoom . Odor Control: 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. b. screenings VII. Mar. The specific gravity standard for gases is_______, Basic Chemistry: return sludge/raw wastewater, Activated Sludge: c. applying chlorine Wide, and 14 ft. (b) What is the magnification of the image of the fish? If the head works in a wastewater treatment plant had an H2S odor, what would be the most likely solution? I passed the ABC class 3 and didnt use the Sacramento books at all. 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 THESE ARE TO HELP YOU LEARN AND APPLY THE CONCEPTS THAT WILL HELP YOU PASS A STATE EXAM. 1 Study only Chapters 1 and 8 (Introduction to Wastewater Treatment, 1.1 through 1.9 and 8.3 through 8.5) of Book #1. Equilibrium system and stress factors Class 2 Wastewater Test Questions fullexams com. 2014. Southern Illinois University Edwardsville is authorized to operate as a postsecondary educational institution by the Illinois . Sludge Digestion & Solids Handling: c. BOD 2017 Wastewater Treatment Operator Class IV Wastewater Treatment Operator Formula/Conversion Table ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. b. food entering the process (solids) . 3 stages which type of centrifuge uses an other screw conveyor to move the solids to the discharge point? I had the same problem with my ABC exam for my industrial license. Math questions include the method to solve. Sludge Digestion & Solids Handling: Approx. The color of the first RBC is___; the color of the second RBC is_____; and the color of the third RBS C is____, (1) gray temperature favoring the growth of a particular species of algae. What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? Pool Chemistry Sedimentation and Flotation: Rotating biological contactors are adversely affected by temperatures below_____degree F. Rotating Biological Contactors: Activated Sludge Module 4 . Test takers are allowed three hours to complete the exam. If an activated sludge plant is hit with a high organic load, what will most like occur in the aeration tank? STUDY STRATEGY 10-13 . (22.60 g 21.03 g) (21.75 g 21.03 g), Click to share on LinkedIn (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email this to a friend (Opens in new window), Practice Question: Temperature Affect on Denitrification, Practice Question: Water System Evaluation. MATERIAL AND METHODS Rotating Biological Contactors: I just challenged the Water Treatment level 1 exam this Monday and noticed there were questions regarding distribution on it as well. r.queue=[],r.loaded=1*new Date,r.version="1.0.0", b. phosphoric acid Activated Sludge: . a. contain 20-25% nonvolatile inorganic matter Sorry, your blog cannot share posts by email. The process that uses heat to selectively destroy undesirable organisms is called: Disinfection: Class 4E On-Site Wastewater Certification Exam . a. screw feeder Maintenance: Which one of the following parameters can be preserved for later lab analysis? b. vacuum filters Just wanted to make sure Im looking at the right tests/guides. What is the ideal temperature range for methane-forming bacteria in anaerobic digesters? The plant engineer estimates the machine has a useful life of 5 years and no salvage value. Waste Treatment Ponds: What do ballast blocks provide in anaerobic digesters? Another name for slime growth is, Trickling Filters: Note: The Grade 7 Upgrade Application must be mailed to the Commonwealth of Mass, as shown on the form. d. organisms available to treat the wastes, Activated Sludge: What type of fire extinguishers should be used on electrical fires? a. step aeration Add to folder 0000002114 00000 n -high surface turbulence. If the primary sedimentation unit to a wastewater treatment plant has an H2S odor, what would be the most likely solution? d. remove sludge digester, Odor Control: a. primary clarifier b. gravity Sedimentation and Flotation: What should be the air gap separation between a potable water pipe and the rim of a wastewater tank? b. toxic gases In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. d. heavy metals, Activated Sludge: name the laboratory glassware that can be used to heat liquids in an open flame? The solids treatment method that usually dewaters solids by mixing them with a bulking agent, and then waiting for biological stabilization to occur is called________, Wastewater Solids Processing: b. Flashcards. .s5ap8yh1b4ZfwxvHizW3f{color:var(--newCommunityTheme-metaText);padding-top:5px}.s5ap8yh1b4ZfwxvHizW3f._19JhaP1slDQqu2XgT3vVS0{color:#ea0027} 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 type of waste solids would most likely be sent to a rendering reclamation? Sludge Digestion & Solids Handling: Class 4 Study Guide Wastewater Operator Certification . If a wastewater treatment plant has four aerobic digesters operated in series, which tank will exert the highest oxygen demand? Activated Sludge: What do corbels provide in an anaerobic digester? while the pump is running, what is the pump rate in GPM? a. hair ._2cHgYGbfV9EZMSThqLt2tx{margin-bottom:16px;border-radius:4px}._3Q7WCNdCi77r0_CKPoDSFY{width:75%;height:24px}._2wgLWvNKnhoJX3DUVT_3F-,._3Q7WCNdCi77r0_CKPoDSFY{background:var(--newCommunityTheme-field);background-size:200%;margin-bottom:16px;border-radius:4px}._2wgLWvNKnhoJX3DUVT_3F-{width:100%;height:46px} 14/08/2014 . -high surface turbulence. Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. r.invoke.apply(r,arguments):r.queue.push(arguments)}, a. incineration /Filter /FlateDecode Student Resources. -all blowers are running. d. about the same volume as the grit being removed. a.complete mix aeration a. several times a day at least two pipe diameters above the rim. -the tank is exhibiting high rates of foaming. a. chlorine Basic Chemistry: The responses provided up to the point of interruption will be a. flush out distributor arms Secondary clarifiers are usually located after: DO Wastewater Operator Certification Exam Book List. 100:5:1 What solid treatment method first uses chemicals as it conditions the solids and then later in the process, "throws" the solids out of the way is called_______, Wastewater Solids Processing: H}Wr8[$HB$"&.ZO*JJ4p8(To>|H^sGGrB*G*f%G. VIII. Study Guides - Wastewater Operator Certification IEPA Topics Water Quality Wastewater Operator Certification Study Guides Exam Schedule Study Guides Class 1 Class 2 Class 3 Class 4 Operator-In-Training Class K - Industrial Collection System For more information contact: Dianne Potter at 217-782-9720 Complete the test and know your score instantly. If the ponds or lagoons had an ammonia odor, what would be the most likely solution? the books are a tad overkill for the ABC tests. how often should the thermal valves be dismantled for service? d. flooding the filter, Trickling Filters: Classes will Start September 7, 2021 and meet twice per week (Tues & Thurs) for six weeks, ending on October 14, 2021. d. pure oxygen, Activated Sludge: every month. d. hydrochloric acid. What is the most probable cause for excessive algae in the effluent of a wastewater pond? b. BOD b. F/M Activated Sludge Module 3 . excessive slime growths on a trickling filter may cause a condition on the the filter called, Trickling Filters: a. gray Sludge Digestion & Solids Handling: c. power requirements are low proper operation. Relatively simple wastewater technologies can be designed to provide low cost sanitation and environmental protection while providing additional benefits fro A determination of waste as hazardous requires possible prohibition or limitations relating to the management of that particular waste. My tests are based off of ABC and Sacramento too. Regarding waste pond lab sampling, which parameter is sampled at the influent of the pond? b. bleach Took the class III exam from the ABC program yesterday and felt very under knowledge. Edwardsville, Illinois 62026-1075 (618) 650-2030 . Which one of the following types of substance is not soluble in water and has the potential of creating explosive conditions? You have created 2 folders. c. composting Answers and references are included for questions. 50%. Disinfection: I got a book from WEF and studied a few online resources recommended on here. now if it's bomb after bombeh, i might make ya take a break for a bit before going again. c. once per day ._1LHxa-yaHJwrPK8kuyv_Y4{width:100%}._1LHxa-yaHJwrPK8kuyv_Y4:hover ._31L3r0EWsU0weoMZvEJcUA{display:none}._1LHxa-yaHJwrPK8kuyv_Y4 ._31L3r0EWsU0weoMZvEJcUA,._1LHxa-yaHJwrPK8kuyv_Y4:hover ._11Zy7Yp4S1ZArNqhUQ0jZW{display:block}._1LHxa-yaHJwrPK8kuyv_Y4 ._11Zy7Yp4S1ZArNqhUQ0jZW{display:none} ._2a172ppKObqWfRHr8eWBKV{-ms-flex-negative:0;flex-shrink:0;margin-right:8px}._39-woRduNuowN7G4JTW4I8{margin-top:12px}._136QdRzXkGKNtSQ-h1fUru{display:-ms-flexbox;display:flex;margin:8px 0;width:100%}.r51dfG6q3N-4exmkjHQg_{font-size:10px;font-weight:700;letter-spacing:.5px;line-height:12px;text-transform:uppercase;-ms-flex-pack:justify;justify-content:space-between;-ms-flex-align:center;align-items:center}.r51dfG6q3N-4exmkjHQg_,._2BnLYNBALzjH6p_ollJ-RF{display:-ms-flexbox;display:flex}._2BnLYNBALzjH6p_ollJ-RF{margin-left:auto}._1-25VxiIsZFVU88qFh-T8p{padding:0}._2nxyf8XcTi2UZsUInEAcPs._2nxyf8XcTi2UZsUInEAcPs{color:var(--newCommunityTheme-widgetColors-sidebarWidgetTextColor)} GLOSSARY OF WASTEWATER WORDS 22-28 . You have to finish following quiz, to start this quiz: When organic wastes are discharged to receiving water, oxygen is depleted by. These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. 360mg/l. b. mineral oils Process wastewater can Mr Jose 122 terms. Influent BOD testing will allow monitoring of F/M ratio and plant organic loading. The ABC formula sheet is provided, and you must bring a non-programmable calculator. a. no organics IEPA Frequently Asked Questions - http://www.epa.illinois.gov/topics/drinking-water/operator-certification/faq/index 2022 Water Operator Exam Schedule Still have questions not answered here?? Rotating biological contactors have all the following advantages except: that is they must test what they are supposed to test. c. orifice PRACTICE EXAM 13-20 . Sludge Digestion & Solids Handling: a. polishing pond a. Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. a. nitric acid A solids treatment thickening process method would be b. decrease circulation 0000001026 00000 n Class 4 Study Guide Wastewater Operator Certification . View the 2020-2021 wastewater exam summary statistics of quarterly exam results HERE. DO Secondary Treatment: Secondary Treatment: c. flammable oils What is the solids treatment method that chemically treats the residual flow, then spread evenly over a porous belt? a. thickening Southern Illinois Univ. d. flotation, Wastewater Solids Processing: typically, how often should sediment and drip traps be drained in cold water? 0000000607 00000 n Sludge Digestion & Solids Handling: a. heat treatment Residual Solids Management: The industrial Class K (facility-specific) exam has a total of 15 questions, 5 multiple choice short answer/essay. WEF/ABC/C 2 EP Collection Systems Operators' Guide to Preparing for the Certification Examination. Which one of the following types of substances can be toxic to wastewater plants using biological systems and may adversely affect potable water supplies downstream? The major gas produced by aerobic decomposition is:_______. feathr("fly", "5e558ae66f594e4be753166e"); Disinfection: The panel is comprised of 8 experts who when one liquid is dissolved in another liquid it is called. c. tapered aeration The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. ._38lwnrIpIyqxDfAF1iwhcV{background-color:var(--newCommunityTheme-widgetColors-lineColor);border:none;height:1px;margin:16px 0}._37coyt0h8ryIQubA7RHmUc{margin-top:12px;padding-top:12px}._2XJvPvYIEYtcS4ORsDXwa3,._2Vkdik1Q8k0lBEhhA_lRKE,.icon._2Vkdik1Q8k0lBEhhA_lRKE{border-radius:100%;box-sizing:border-box;-ms-flex:none;flex:none;margin-right:8px}._2Vkdik1Q8k0lBEhhA_lRKE,.icon._2Vkdik1Q8k0lBEhhA_lRKE{background-position:50%;background-repeat:no-repeat;background-size:100%;height:54px;width:54px;font-size:54px;line-height:54px}._2Vkdik1Q8k0lBEhhA_lRKE._1uo2TG25LvAJS3bl-u72J4,.icon._2Vkdik1Q8k0lBEhhA_lRKE._1uo2TG25LvAJS3bl-u72J4{filter:blur()}.eGjjbHtkgFc-SYka3LM3M,.icon.eGjjbHtkgFc-SYka3LM3M{border-radius:100%;box-sizing:border-box;-ms-flex:none;flex:none;margin-right:8px;background-position:50%;background-repeat:no-repeat;background-size:100%;height:36px;width:36px}.eGjjbHtkgFc-SYka3LM3M._1uo2TG25LvAJS3bl-u72J4,.icon.eGjjbHtkgFc-SYka3LM3M._1uo2TG25LvAJS3bl-u72J4{filter:blur()}._3nzVPnRRnrls4DOXO_I0fn{margin:auto 0 auto auto;padding-top:10px;vertical-align:middle}._3nzVPnRRnrls4DOXO_I0fn ._1LAmcxBaaqShJsi8RNT-Vp i{color:unset}._2bWoGvMqVhMWwhp4Pgt4LP{margin:16px 0;font-size:12px;font-weight:400;line-height:16px}.icon.tWeTbHFf02PguTEonwJD0{margin-right:4px;vertical-align:top}._2AbGMsrZJPHrLm9e-oyW1E{width:180px;text-align:center}.icon._1cB7-TWJtfCxXAqqeyVb2q{cursor:pointer;margin-left:6px;height:14px;fill:#dadada;font-size:12px;vertical-align:middle}.hpxKmfWP2ZiwdKaWpefMn{background-color:var(--newCommunityTheme-active);background-size:cover;background-image:var(--newCommunityTheme-banner-backgroundImage);background-position-y:center;background-position-x:center;background-repeat:no-repeat;border-radius:3px 3px 0 0;height:34px;margin:-12px -12px 10px}._20Kb6TX_CdnePoT8iEsls6{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;margin-bottom:8px}._20Kb6TX_CdnePoT8iEsls6>*{display:inline-block;vertical-align:middle}.t9oUK2WY0d28lhLAh3N5q{margin-top:-23px}._2KqgQ5WzoQRJqjjoznu22o{display:inline-block;-ms-flex-negative:0;flex-shrink:0;position:relative}._2D7eYuDY6cYGtybECmsxvE{-ms-flex:1 1 auto;flex:1 1 auto;overflow:hidden;text-overflow:ellipsis}._2D7eYuDY6cYGtybECmsxvE:hover{text-decoration:underline}._19bCWnxeTjqzBElWZfIlJb{font-size:16px;font-weight:500;line-height:20px;display:inline-block}._2TC7AdkcuxFIFKRO_VWis8{margin-left:10px;margin-top:30px}._2TC7AdkcuxFIFKRO_VWis8._35WVFxUni5zeFkPk7O4iiB{margin-top:35px}._1LAmcxBaaqShJsi8RNT-Vp{padding:0 2px 0 4px;vertical-align:middle}._2BY2-wxSbNFYqAy98jWyTC{margin-top:10px}._3sGbDVmLJd_8OV8Kfl7dVv{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:21px;margin-top:8px;word-wrap:break-word}._1qiHDKK74j6hUNxM0p9ZIp{margin-top:12px}.Jy6FIGP1NvWbVjQZN7FHA,._326PJFFRv8chYfOlaEYmGt,._1eMniuqQCoYf3kOpyx83Jj,._1cDoUuVvel5B1n5wa3K507{-ms-flex-pack:center;justify-content:center;margin-top:12px;width:100%}._1eMniuqQCoYf3kOpyx83Jj{margin-bottom:8px}._2_w8DCFR-DCxgxlP1SGNq5{margin-right:4px;vertical-align:middle}._1aS-wQ7rpbcxKT0d5kjrbh{border-radius:4px;display:inline-block;padding:4px}._2cn386lOe1A_DTmBUA-qSM{border-top:1px solid var(--newCommunityTheme-widgetColors-lineColor);margin-top:10px}._2Zdkj7cQEO3zSGHGK2XnZv{display:inline-block}.wzFxUZxKK8HkWiEhs0tyE{font-size:12px;font-weight:700;line-height:16px;color:var(--newCommunityTheme-button);cursor:pointer;text-align:left;margin-top:2px}._3R24jLERJTaoRbM_vYd9v0._3R24jLERJTaoRbM_vYd9v0._3R24jLERJTaoRbM_vYd9v0{display:none}.yobE-ux_T1smVDcFMMKFv{font-size:16px;font-weight:500;line-height:20px}._1vPW2g721nsu89X6ojahiX{margin-top:12px}._pTJqhLm_UAXS5SZtLPKd{text-transform:none} 0000001315 00000 n THESE ARE NOT DUPLICATE QUESTIONS FROM ANY STATE EXAM. Water and Wastewater Microbiology" b. decanter Sludge Digestion & Solids Handling: also, i wouldn't be worried about retesting. The effluent from which process is called mixed liquor (Time of day), Waste Treatment Ponds: c. improve housekeeping around drying beds }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); The small wastewater system certificate is a "hybrid" certificate, combining both wastewater treatment and wastewater collection expertise for communities that serve fewer than 3,300 persons. c. aerobic pond The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. In addition, the class covers most of the study guide questions and provides the operators with the best answers.The cost for the class is $199.00. This solids treatment method maximizes the reduction of moisture and solids is called_______, Wastewater Solids Processing: Smith, Michael Abbott. . Sludge Digestion & Solids Handling: 2017 Wastewater Treatment Operator Formula/Conversion Table. Campus Box 1075 - Southern Illinois Univ. These practice questions and answers are brought to you free of charge by RoyCEU.com. Bacteria are in the ______kingdom, Activated Sludge: How often should the oil be changed in the speed reducer of a rotating biological contactor? ._3bX7W3J0lU78fp7cayvNxx{max-width:208px;text-align:center} (hint: the elements social CHAPTER THREE To go to the Class 2 & 3 Study Guide Click on above tab. Ponds used in series after a trickling filter are sometimes called? c. O3 me personally the Sacramento is way outdated, But I used the wastewater treatment fundamentals I&II textbook and passed my Class IV in Virginia on the first try. Statistics from 2019 HERE. Another guy told me thats what he uses instead of the sacramento. @keyframes ibDwUVR1CAykturOgqOS5{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}._3LwT7hgGcSjmJ7ng7drAuq{--sizePx:0;font-size:4px;position:relative;text-indent:-9999em;border-radius:50%;border:4px solid var(--newCommunityTheme-bodyTextAlpha20);border-left-color:var(--newCommunityTheme-body);transform:translateZ(0);animation:ibDwUVR1CAykturOgqOS5 1.1s linear infinite}._3LwT7hgGcSjmJ7ng7drAuq,._3LwT7hgGcSjmJ7ng7drAuq:after{width:var(--sizePx);height:var(--sizePx)}._3LwT7hgGcSjmJ7ng7drAuq:after{border-radius:50%}._3LwT7hgGcSjmJ7ng7drAuq._2qr28EeyPvBWAsPKl-KuWN{margin:0 auto} 3 Study only Chapter 16 (Laboratory Procedures and Chemistry) of Book #2. Another solids treatment thickening process would be: Introduction What would be the most probable cause for gas leaking through the pressure relief valve on the digester's roof? Unfortunately my state uses the ABC program from California to acquire licenses. $25 b. The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. For more practice problems: https://www.waterandwastewatercourses.com/To enroll in an online course: https://courses.waterandwastewatercourses.com/Grade 1: . Pool Chemistry Demo: Experience ABC's Computerized Exams. Activated Sludge Module 2 . Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls?