illinois class 4 wastewater practice test illinois class 4 wastewater practice test

This means that each wastewater treatment facility in Illinois is required to be operated by a wastewater operator who is certified at or above the certification level required for the treatment facility. This course compiles 14 individual lessons into one course to make 16 hours. WasteWater Operator Certification, Grade 2 Learn with flashcards, games, and more for free. b. primary clarification 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? 50 terms. 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 Certification testing is offered as a computer-based test. The clarity of a trickling filter's effluent is considered good when the "Secchi" disk can be read at a level of___ft, Basic Chemistry: Activated Sludge: -high surface turbulence. PDF Wastewater Operator Certification Guide Chlorine gas has a specific gravity of, Rocks/Screens/Comminutors & Grit Removal: d. flood the filter. And what online studies did you use? How much of the solids should be wasted each week in the summer form a package wastewater treatment plant for the best quality? You have created 2 folders. The last stage is the treatment of RMW. Rotating Biological Contactors: Regarding waste pond lab sampling, which parameter is sampled at the influent of the pond? b. gravity In the activated sludge system for the process control of effluent suspended solids, what is the primary controlling variable for the desired microbial population? The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. VII. d. plunger feeder, Solids removal from secondary effluent: Study materials to help you succeed. Which organism would most probably be associated with high suspended solids and biochemical oxygen demand (BOD). Study Guides - Wastewater Operator Certification - Illinois 4 feet deep 8 feet deep 3 feet wide 7) A wet well is 9 feet deep by 21 feet in diameter. Where is the best place to collect scum from wastewater plants that use aerobic digesters? Rotating Biological Contactors: Which type of feeder would most likely feed clear solutions? Following the activated sludge what process modification is very sensitive to bulking? primary effluent Waste Treatment Ponds: b. Effluent Disposal: Wastewater Practice Test - Water Operator Certification Study Guide This solids treatment method maximizes the reduction of moisture and solids is called_______, Wastewater Solids Processing: Phone (800) 666-0206. ._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)} Southern Illinois Univ. To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? illinois class 4 wastewater practice test b. correct faulty plant operation Outline To go to the Class 2 & 3 Study Guide Click on above tab. d. extended aeration activated sludge. Study Guide . Always pour the acid into the water. Flow Patterns. The program suggests purchasing their books from Sacramento. 360mg/l. MATERIAL AND METHODS 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 b. contact stabilization PDF Class K - Industrial Study Guide DO The following are approved as reference sources for the 2017 ABC standardized wastewater treatment operator exams. }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); I passed the ABC class 3 and didnt use the Sacramento books at all. Wastewater Certification Information By State October 30, 2018 We have many people contact us regarding Wastewater Operator Certification in many states. How ofter should the drive bearings be greased in a rotating biological contactor unit? A problem with odors from trickling filters may be solved by: CA Grade 4 amp 5 Wastewater Math Part 2 of 3 YouTube. b. a little organic material What is the ultimate measure of effective chlorination? Discussion of water and wastewater treatment processes and technology. The wastewater operator certification program is a mandatory program. 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. 4 stages c/ dewatering PDF Class 2 Wastewater Practice Tests Pool Chemistry Sludge Digestion & Solids Handling: c. carbon in organic matter A pond that contains algae and requires the use of compressor is classified as, Waste Treatment Ponds: a. gravity Secondary Treatment: The clarity of the effluent from an activated sludge process is considered good when the "Secchi" disk cab be read at a level of_______ft, Basic Chemistry: 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: The industrial Class Kand 10 -WR (general) exam has a total of 14 questions, 7 multiple choice and 7 short answer/essay. (2) reddish brown The next Stage of treatment is the Secondary Treatment, or Biological. 2017 Wastewater Treatment Operator Formula/Conversion Table How often should the liquid level be checked on a digester to prevent overfilling? Course Outline for Wastewater Certification Review - Approved that is they must test what they are supposed to test. they prevent the cover from scraping the sidewall. What condition will occur if sludge is not pumped out of primary clarifiers at regular intervals? d. organisms available to treat the wastes, Activated Sludge: Motor insulation material comes in four classes and the are based on_______, Maintenance: The examinations consist of multiple choice questions and essay questions designed to test your knowledge of the wastewater facilities for which you are seeking certification. b. toxic gases 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? Low-temperature water can be compensated for when using alum by______, Basic Chemistry: Approximately what % of the dissolved solids in wastewater are organics, Wastewater sources & characteristics: Ponds used in series after a trickling filter are sometimes called? Wastewater Solids Processing: 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. TABLE OF CONTENTS . Safety: c. 6 stages Most algae are in the____kingdom, Activated Sludge: H}Wr8[$HB$"&.ZO*JJ4p8(To>|H^sGGrB*G*f%G. %PDF-1.4 % The demo is available to both certification programs and trainers to help prepare individuals for taking a computerized exam. 100:5:1 What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? Water Operator Resources - Illinois Section American Water Works b. wet air 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} 2. oxidation pond Activated Sludge Module 3 . b. vibrating trough 23BIbVc^(2el!jO1gXFi!20IIew"-bRZ\Z 1mnH35_l^tE+SedZIinbz0FQ&|Y1la@YuGfrg|I-'6s @LYiFag6Td[l\* View the 2020-2021 wastewater exam summary statistics of quarterly exam results HERE. During the exam, . Tightened down to a drip. 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? too much lime has been added, reducing gas production. To see these classes - CLICK HERE. c. temperature Waste Treatment Ponds: I had the same problem with my ABC exam for my industrial license. d. 8 stages, Rotating Biological Contactors: What is the solids treatment method that aerated the recycles water from the unit under pressure? Which property uniquely identifies a chemical element? Practice Tests. Was it a 3 in collections or treatment? The recommended minimum depth for a waste pond is". Class 4 Study Guide Wastewater Operator Certification . 2 Study only Chapter 15 (Maintenance) and Chapter 16 (Laboratory Procedures and Chemistry) of Book #. illinois class 4 wastewater practice test. 2,323 Gal./Min. Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. a. no organics 2014 Click to Rate "Hated It" Click to Rate "Didn't Like It" Test 2 - banking. c. has less flocculant than primary sludges d. chemical oxidation. Class 4 Wastewater IL Flashcards | Quizlet Just wanted to make sure Im looking at the right tests/guides. d. brown Rainwater runoff is also considered as w Name ____________________________________ Which one of the following methods would not be used to feed DRY chemicals? ._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} What is the expected range for the removal of settleable solids from a primary clarifier? d. hydrogen sulfide. Solids removal from secondary effluent: Activated Sludge Module 2 . Approx. Sludge Digestion & Solids Handling: b. toxic gases Approved Environment, Inc. offers 50 online continuing education (CE) courses for water and wastewater. c. sludge age I passed the next time. Activated Sludge: Sludge Digestion & Solids Handling: The purpose of the treatment is to change the biological composition or the characteristics of the waste so that it Wastewater can be formed from domestic, industrial, agricultural, commercial activities or any combination of these. c. sludge drying bed or pond What is the only acceptable breathing device to wear while handling chlorine leaks? activated sludge in an aeration tank Microorganisms that are methane fermenters will only produce in the pH range of, Sludge Digestion & Solids Handling: ._1aTW4bdYQHgSZJe7BF2-XV{display:-ms-grid;display:grid;-ms-grid-columns:auto auto 42px;grid-template-columns:auto auto 42px;column-gap:12px}._3b9utyKN3e_kzVZ5ngPqAu,._21RLQh5PvUhC6vOKoFeHUP{font-size:16px;font-weight:500;line-height:20px}._21RLQh5PvUhC6vOKoFeHUP:before{content:"";margin-right:4px;color:#46d160}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{display:inline-block;word-break:break-word}._22W-auD0n8kTKDVe0vWuyK{font-weight:500}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{font-size:12px;line-height:16px}._244EzVTQLL3kMNnB03VmxK{font-weight:400;color:var(--newCommunityTheme-metaText)}._2xkErp6B3LSS13jtzdNJzO{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;margin-top:13px;margin-bottom:2px}._2xkErp6B3LSS13jtzdNJzO ._22W-auD0n8kTKDVe0vWuyK{font-size:12px;font-weight:400;line-height:16px;margin-right:4px;margin-left:4px;color:var(--newCommunityTheme-actionIcon)}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y{border-radius:4px;box-sizing:border-box;height:21px;width:21px}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(2),._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(3){margin-left:-9px} What do corbels provide in an anaerobic digester? which one of the following wastewater solids would most likely never end up on a dedicated land disposal (DLD) site? Humus sludge is biomass from, Trickling Filters: This makes it harder to write exams. These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. 0000045118 00000 n ._12xlue8dQ1odPw1J81FIGQ{display:inline-block;vertical-align:middle} %PDF-1.2 14/08/2014 /Length 9 0 R b. screenings d. activated sludge, Wastewater Treatment Facilities: Pool Chemistry Secondary Treatment: Safety: IL Water Operator Training | American Water College Activated Sludge: Virtual Water workshops meet from 1:00 p.m. to 4:00 p.m. Waste Treatment Ponds: Activated Sludge: when one liquid is dissolved in another liquid it is called. b)Determine that all the plant equipment is operational. Sludge Digestion & Solids Handling: 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?? Sludge Digestion & Solids Handling: Wastewater Tougher Questions wastewater grade 1 Wastewater Certification Grade 2 Flashcards Wastewater Grade 4 Questions Wastewater Grade 4 Questions by coe1069 , Mar. a. oils and greases ._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} Residual Solids Management: -pH is 7.2. Please take this quiz and check how well do you know about CA water treatment plant operator! Note: The Grade 7 Upgrade Application must be mailed to the Commonwealth of Mass, as shown on the form. You have already completed the quiz before. -all blowers are running. The detention time for primary clarifiers usually has a range of_____hr/s, Wastewater Treatment Facilities: The panel is comprised of 8 experts who VI. c. flammable oils Only advice I can give is to expand your knowledge base by learning as much as you can about your field, either through University of Sacramento OWP or other correspondence courses. c. grit Draft tube propeller mixers are subject to corrosion from____ PDF Illinois Environmental Protection Agency Bureau of Water Class 4 Study c. gasoline products Another name for slime growth is, Trickling Filters: Answers and references are included for questions. c. complex mix aeration Anaerobic ponds usually range in depth from___-___ft, Wastewater Treatment Facilities: All I used were the study guide modules 1 and 2 on this website https://royceu.com/Public/PracticeQuizes.aspx I kept doing them until I was getting scores above 90. acid fermentaters would predominate and pH would decrease, Sludge Digestion & Solids Handling: d. preaeration. Study key C amp D IN gov. Environmental Resources Training Center - Certification - SIUE b. an anaerobic digester now if it's bomb after bombeh, i might make ya take a break for a bit before going again. g.async=!0,g.src=t,h.appendChild(g)} Water Environment Federation Bookstore. c. sulfuric acid If this is your first exam attempt, a short history of the current exam development should be of interest. If a wastewater treatment plant has four aerobic digesters operated in series, which tank will exert the highest oxygen demand? Odor Control: ABC | Sample Exam Questions ISAWWA offers a full range of online classes, all approved by the IEPA with RTC hours. Rotating Biological Contactors: d. have a density significantly greater than water, contain 20-25% nonvolatile inorganic matter. Hb```f``d30 P9eVcrV),VA`}. If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? decomposition of a material caused by an outside electric current, A shock load of toxic wastes coming into a plant can be treated or controlled with, {"cdnAssetsUrl":"","site_dot_caption":"Cram.com","premium_user":false,"premium_set":false,"payreferer":"clone_set","payreferer_set_title":"Wastewater Grade 4 Questions","payreferer_url":"\/flashcards\/copy\/wastewater-grade-4-questions-4642202","isGuest":true,"ga_id":"UA-272909-1","facebook":{"clientId":"363499237066029","version":"v12.0","language":"en_US"}}. 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. Pre-Lab Which method would not be used to feed LIQUID chemicals? c. flammable oils The most common flow-measure device for wastewater is a_____, Wastewater Treatment Facilities: What do ballast blocks provide in anaerobic digesters? These questions are similar to, but not the same as, the questions you are likely to encounter on your certification exam. Basic Concepts. Sludge Digestion & Solids Handling: 0000001180 00000 n 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. ABC Certification - Testing Services - Membership - Conference/Calendar - Certification Contacts - Continuing Education Review - About Us - Contact Us. a. screw feeder 4 Odor Control: The current imbalance between legs of polyphase motors should never exceed____%, Maintenance: feathr("fly", "5e558ae66f594e4be753166e"); Wastewater Treatment Operator Certification Exam - 4 Practice Problems Water and Wastewater Courses 6.18K subscribers Subscribe 86K views 5 years ago For practice exams:. What is the purpose of a draft tube in an anaerobic sludge digester? c. O3 no one is perfect and as long as you make progress, i'd be happy with the effort. Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. When inserting glass tubing into a rubber hose or stopper, never use____for lubrication, Basic Chemistry: .FIYolDqalszTnjjNfThfT{max-width:256px;white-space:normal;text-align:center} Approvedce | Approved Environment Inc. | Learn. Online Sludge Digestion & Solids Handling: -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. If the sewer rate is $25 for the first 500ft and all wastewater generated over that amount is billed at the rate of $2.50 per 100ft3, how much would a customer generating 1200ft2 of wastewater be billed? 2,135 Gal./Min. Edwardsville, Illinois 62026-1075 (618) 650-2030 . True. A solids treatment stabilization process method would be: What about the removal of suspended solids? ._3Qx5bBCG_O8wVZee9J-KyJ{border-top:1px solid var(--newCommunityTheme-widgetColors-lineColor);margin-top:16px;padding-top:16px}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN{margin:0;padding:0}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:21px;display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between;-ms-flex-align:center;align-items:center;margin:8px 0}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ.QgBK4ECuqpeR2umRjYcP2{opacity:.4}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ label{font-size:12px;font-weight:500;line-height:16px;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ label svg{fill:currentColor;height:20px;margin-right:4px;width:20px;-ms-flex:0 0 auto;flex:0 0 auto}._3Qx5bBCG_O8wVZee9J-KyJ ._4OtOUaGIjjp2cNJMUxme_{-ms-flex-pack:justify;justify-content:space-between}._3Qx5bBCG_O8wVZee9J-KyJ ._4OtOUaGIjjp2cNJMUxme_ svg{display:inline-block;height:12px;width:12px}._2b2iJtPCDQ6eKanYDf3Jho{-ms-flex:0 0 auto;flex:0 0 auto}._4OtOUaGIjjp2cNJMUxme_{padding:0 12px}._1ra1vBLrjtHjhYDZ_gOy8F{font-family:Noto Sans,Arial,sans-serif;font-size:12px;letter-spacing:unset;line-height:16px;text-transform:unset;--textColor:var(--newCommunityTheme-widgetColors-sidebarWidgetTextColor);--textColorHover:var(--newCommunityTheme-widgetColors-sidebarWidgetTextColorShaded80);font-size:10px;font-weight:700;letter-spacing:.5px;line-height:12px;text-transform:uppercase;color:var(--textColor);fill:var(--textColor);opacity:1}._1ra1vBLrjtHjhYDZ_gOy8F._2UlgIO1LIFVpT30ItAtPfb{--textColor:var(--newRedditTheme-widgetColors-sidebarWidgetTextColor);--textColorHover:var(--newRedditTheme-widgetColors-sidebarWidgetTextColorShaded80)}._1ra1vBLrjtHjhYDZ_gOy8F:active,._1ra1vBLrjtHjhYDZ_gOy8F:hover{color:var(--textColorHover);fill:var(--textColorHover)}._1ra1vBLrjtHjhYDZ_gOy8F:disabled,._1ra1vBLrjtHjhYDZ_gOy8F[data-disabled],._1ra1vBLrjtHjhYDZ_gOy8F[disabled]{opacity:.5;cursor:not-allowed}._3a4fkgD25f5G-b0Y8wVIBe{margin-right:8px} Sludge Digestion & Solids Handling: Its a 2 year old post and have then since passed my 3 and ready to take my 4 next year. Introducing Cram Folders! Residual Solids Management: c. applying chlorine 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______. There are 22 individual lesson modules included in this course. How far out from the water's edge should waste pond samples be collected? Perfect for water distribution operators taking their D-1, D-2, D3 Operator exams (DI-DIII.) worked for me on the class IV. I found a lot of the 3 questions were around anaerobic digestion so I focused a lot on that and it helped me pass. Operators should use special precautions when placing anaerobically digested sludge on a drying bed because sludge contains what gas? d. positive displacement. 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. a. BOD Mar. return sludge/raw wastewater, Activated Sludge: c. tapered aeration A solids treatment dewatering process method would be" All rights reserved. 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 78 terms. If an activated sludge plant is hit with a high organic load, what will most like occur in the aeration tank? d. settleable solids, Activated Sludge: a. BOD Typically, what average percent of total solids in domestic wastewater, both dissolved and suspended, are inorganics? c. reduce the number of weeds A solids treatment thickening process method would be 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 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. every month. a bacteria sample must be mailed so that the lab analysis can begin no later than. a. several times a day Sludge Digestion & Solids Handling: ._1sDtEhccxFpHDn2RUhxmSq{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:18px;display:-ms-flexbox;display:flex;-ms-flex-flow:row nowrap;flex-flow:row nowrap}._1d4NeAxWOiy0JPz7aXRI64{color:var(--newCommunityTheme-metaText)}.icon._3tMM22A0evCEmrIk-8z4zO{margin:-2px 8px 0 0} Water Treatment Quizzes & Trivia - ProProfs That may seem obvious but, too many people take the certification exam with little or no preparation. b. oils and greases How often should the mainshaft bearings be greased in a rotating biological contactor unit? Test yourself before taking your state exam. 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? PDF STUDY GUIDE CLASS 4E ON SITE WASTEWATER SYSTEM OPERATORS - Montana d. hydrochloric acid. a. O2 (+3) Sludge Digestion & Solids Handling: Typically, an anaerobic digester will produce about 30%-35% by volume of which gas? ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. ._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)} Sludge Digestion & Solids Handling: the floating cover on an anaerobic should be inspected how often? Which of the following groups of microorganisms are found in a good settling mixed liquor? d. acids and alkalies, Activated Sludge: Activated Sludge: c. DO b. vacuum filters d. organic toxicants, Activated Sludge: d. step aeration, Activated Sludge: If the manometer indicates the gas pressure in a digester is below normal, what would be the most probable cause? PDF Practice Exams For Wastewater Laboratory Analyst Certification Wastewater sources & characteristics: b. filter presses a. improve housekeeping The Wastewater Practice exam is temporarily out of service for upgrades. Water Operator Practice Tests - Water Nuggets I just challenged the Water Treatment level 1 exam this Monday and noticed there were questions regarding distribution on it as well. THESE ARE TO HELP YOU LEARN AND APPLY THE CONCEPTS THAT WILL HELP YOU PASS A STATE EXAM. Wastewater Operator Certification Exam Book List. My tests are based off of ABC and Sacramento too. The most important factor in the high-rate process of anaerobic digestion is: Complete the test and know your score instantly. THESE ARE NOT DUPLICATE QUESTIONS FROM ANY STATE EXAM. All rights reserved. a. detergent Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. d. incineration, Wastewater Solids Processing: c. sludge digester Safety: Equilibrium system and stress factors Please upgrade to Cram Premium to create hundreds of folders! Class 3 & 4 Pre-Test Class 3 & 4 Study Guides include 2 pretests with answers, Class 3 size plants general knowledge information, and Class 3 & 4 Math questions. Wastewater Certification Practice Exam | Approved Environment Inc. c. add treatment chemicals Virtual Wastewater and Math Review workshops meet from 1:00 p.m. to 3:00 p.m. d. dissolved oxygen, Wastewater Solids Processing: 2017 Standardized Wastewater Treatment Operator Exams Certification Exam Prep; Continuing Education; Certificate Program; Utility Management Hence you can not start it again. 10 7. Need-to-Know Criteria outline the content that will be covered on the 2017 ABC standardized exams.