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. Class 4 Wastewater IL 4.0 (1 review) Term 1 / 88 What do you do if a sewer line is plugged? Questions: 26 | Attempts: 3527 | Last updated: Mar 22, 2022. which one of the following wastewater solids would most likely never end up on a dedicated land disposal (DLD) site? ABC's website provides Need to Know Criteria for exams. Available to Treatment and Distribution Members. The most common imbalance in the operation of an anaerobic sludge digester is, Sludge Digestion & Solids Handling: c. composting Introducing Cram Folders! The most common pathogen identified in waterborne disease outbreaks in the United States is_______, Water and Wastewater Microbiology" Sludge Digestion & Solids Handling: c. trisodium phosphate @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} 360mg/l. c. orifice The recommended minimum depth for a waste pond is". USE OF CALCULATORS ON THE EXAM 10 . Activated Sludge: The exam consists of 100 multiple choice questions. 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? Activated Sludge: Find out how you can intelligently organize your Flashcards. Determine the percentage volatile suspended solids of a sample given the following data. a. airstream treatment Which chemical in the following list is the strongest disinfectant? Sludge Digestion & Solids Handling: Activated Sludge: b. grit Flow Patterns. Motor insulation material comes in four classes and the are based on_______, Maintenance: d. N2O. The RX Drug Company has just purchased a capsulating machine for $76,000. If the ponds or lagoons had an ammonia odor, what would be the most likely solution? The last stage is the treatment of RMW. Bacteria in an anaerobic digester will effectively utilize: Study Guide . d. settleable solids, Activated Sludge: /Filter /FlateDecode c. aerobic pond a. BOD DO c. a biological process I just challenged the Water Treatment level 1 exam this Monday and noticed there were questions regarding distribution on it as well. Sludge Digestion & Solids Handling: I included the answers at the bottom of this page. a. incineration Milliliters of sample used: 2. How many steps are the in coagulation? c. O3 Please upgrade to Cram Premium to create hundreds of folders! c. composting What should be the air gap separation between a potable water pipe and the rim of a wastewater tank? how often should the thermal valves be dismantled for service? Disinfection: the Illinois EPA requires that routine bacteria samples to be taken and analyzed how often. How much of the solids should be wasted each week in the summer form a package wastewater treatment plant for the best quality? Pass your test the first time! The color of the bio-film on a rotating biological contactor undergoing nitrification would appear? The Wastewater Operator Certification Program is intended to protect public health, environmental quality, and the financial investment of wastewater facilities. Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. Math guides, tutorials, tips, and practice quizzes. What modified activated sludge process does not require primary treatment? WEF/ABC Wastewater Laboratory Analysts' Guide to Preparing for the Certification Examination. Given the following information: -aerobic digester dissolved oxygen level is at 3.5 mg/L. d. about the same volume as the grit being removed. TABLE OF CONTENTS . Wastewater sources & characteristics: Where would toxicants least likely cause a problem for a wastewater treatment plant? ._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)} a. chlorine Sludge Digestion & Solids Handling: 2,135 Gal./Min. Which one of the following types of wastewater ponds listed below is not classified like the other three? Activated Sludge: PRACTICE EXAM 13-20 . Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls? 0000001315 00000 n 0000001180 00000 n If a secondary clarifier has floatable debris in the effluent, what is the most likely cause? document.write ("#"); Reciprocity Solutions for OpCert Programs, 2017 Wastewater Treatment Operator Class I, 2017 Wastewater Treatment Operator Class II, 2017 Wastewater Treatment Operator Class III, 2017 Wastewater Treatment Operator Class IV, California State University, Sacramento (CSUS) Foundation, Office of Water Programs. A pond that contains oxygen in its upper layers and lacks oxygen in the bottom layer is classified as, Waste Treatment Ponds: the floating cover on an anaerobic should be inspected how often? Monitor electrical equipment E.coli Test Operate safety equipment . Loading Rates. !function(f,e,a,t,h,r){if(!f[h]){r=f[h]=function(){r.invoke? 14/08/2014 4 feet deep 8 feet deep 3 feet wide 7) A wet well is 9 feet deep by 21 feet in diameter. Campus Box 1075 - Southern Illinois Univ. a. heat treatment Statistics from 2019 HERE. 0000002114 00000 n Basic Chemistry: The following are approved as reference sources for the 2017 ABC standardized wastewater treatment operator exams. All occupied trenches 4 or more feet deep must provide exits at. 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. Rotating Biological Contactors: Class 4 Study Guide Wastewater Operator Certification . .FIYolDqalszTnjjNfThfT{max-width:256px;white-space:normal;text-align:center} -high surface turbulence. Microbiology. b. wet air oxidation Adequate ___BOD, ____nitrogen, ____Phosphorous ratio for microorganisms to grow is usually Edwardsville, IL 62026-1075 (618) 650-2030 . This makes it harder to write exams. Test takers are allowed three hours to complete the exam. a. gravity 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. while the pump is running, what is the pump rate in GPM? Certification testing is offered as a computer-based test. a. several times a day Disinfection: May 7th, 2018 - Revised March 2003 Illinois Environmental Protection Agency Wastewater Operator Certification If this is your first exam attempt . Flashcards. Maintenance: Jake 14 sec. Another guy told me thats what he uses instead of the sacramento. THESE ARE TO HELP YOU LEARN AND APPLY THE CONCEPTS THAT WILL HELP YOU PASS A STATE EXAM. Which one of the following solids treatment methods can be classified as both stabilization and dewatering? How many stages are usually present in the rotating biological contactor process? Rotating Biological Contactors: How often should flame arresters be service on anaerobic digesters? All rights reserved. If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? 0000045196 00000 n b. bleach They helped me pass the level 4 wastewater operator test in New Mexico. temperature favoring the growth of a particular species of algae. d. belt presses, Wastewater Solids Processing: If an activated sludge plant is hit with a high organic load, what will most like occur in the aeration tank? Wastewater Grade 2 t f Flashcards Quizlet. In the activated sludge system for the process control of effluent suspended solids, what is the primary controlling variable for the desired microbial population? support for the floating cover when it is at its lowest point. Need to know criteria. It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. The current imbalance between legs of polyphase motors should never exceed____%, Maintenance: ._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} c. sludge drying bed or pond a)Clean settling basins and dispose of sludge. THESE ARE NOT DUPLICATE QUESTIONS FROM ANY STATE EXAM. d. mixing, Sludge Digestion & Solids Handling: What is the purpose of a draft tube in an anaerobic sludge digester? If this is your first exam attempt, a short history of the current exam development should be of interest. d. positive displacement. Maintenance: primary effluent -the tank is exhibiting high rates of foaming. Water and Wastewater Microbiology" Waste Treatment Ponds: Grease should be cleaned from walkaways with a stiff brush and Every test is created from a pool of possible water distribution questions. a. primary clarifier b. hypochlorous acid An atmosphere is defined as oxygen deficient if it contains less than what % oxygen by volume? Which one of the following is not a major solids treatment method? Rotating biological contactors are adversely affected by temperatures below_____degree F. Rotating Biological Contactors: Sample Question. The passing grade is 70%. c. COD Campus Box 1075 - Southern Illinois Univ. What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? Each question has been validated through a process of panel review. Water Treatment Certification practice tests, flashcards, study guides, and more. What would be the cause of a shorted-winding in a motor? The detention time for primary clarifiers usually has a range of_____hr/s, Wastewater Treatment Facilities: Operators should use special precautions when placing anaerobically digested sludge on a drying bed because sludge contains what gas? c. lime stabilization The best operation performance for an anaerobic digester is when it is feed now if it's bomb after bombeh, i might make ya take a break for a bit before going again. Secondary clarifiers are usually located after: Saprophytic microorganisms are also called: Sludge Digestion & Solids Handling: >> I passed the next time. When inserting glass tubing into a rubber hose or stopper, never use____for lubrication, Basic Chemistry: What substance can cause obstructions in the sewer system and may cause anaerobic decomposition where the substances accumulate? Outline Regarding waste pond lab sampling, which parameter is sampled at the influent of the pond? the books are a tad overkill for the ABC tests. c. volatile-acid-alkalinity ratio Wastewater sources & characteristics: What is WEF? What does the wastewater industry call sludge that is only partially digested? Wastewater Solids Processing: A wastewater [plant has a train of three rotating biological contactor (RBC) units. Sludge Digestion & Solids Handling: 2. oxidation pond d. preaeration. Primary treatment is not required in which modified activated sludge process? What do roller guides provide in an anaerobic digester? GLOSSARY OF WASTEWATER WORDS 22-28 . Another name for slime growth is, Trickling Filters: How ofter should the drive bearings be greased in a rotating biological contactor unit? c. flammable oils Safety: Draft tube propeller mixers are subject to corrosion from____ a. BOD Basic Chemistry: 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. It makes it a lot more challenging when, say, your system is just lagoons and they are asking questions about advanced processes. -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. the clarifier is hydraulically overloaded, Effluent Disposal: A fish is 2.5m2.5 \mathrm{~m}2.5m in front of the diving mask. when one liquid is dissolved in another liquid it is called. Basic Chemistry: that is they must test what they are supposed to test. Test 2 - banking. (TCs) that may be used to substitute for up to half of the required experience for Class 1, Class 2, and Class 3 Waterworks or Wastewater Works Operator licenses . Wastewater Collections Grade 2 Practice Test California Wastewater Collections Grade 2 Practice Test California Water and Wastewater Courses For Operator Certification. % proper operation. Rotating biological contactors have all the following advantages except: 4 stages a. What is the only acceptable breathing device to wear while handling chlorine leaks? What is the optimum temperature for digester substances? a. improve housekeeping Reliability can only . Wastewater class 3 practice exam eXam Aswers Search Engine Submit Wastewater . Introduction . 98) Every day the operator of a small wastewater treatment plant should. c. carbon in organic matter Secondary Treatment: a. polishing pond These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. c. has less flocculant than primary sludges How do you calibrate a chemical feed pump? . b. correct faulty plant operation The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. No worry. Sedimentation and Flotation: -all blowers are running. d. hydrogen sulfide. So every time you practice you will take a unique test. Approximately what % of the dissolved solids in wastewater are organics, Wastewater sources & characteristics: c. F/M ration What is the proper emergency chlorine kit for a 1-ton chlorine cylinder? Keyword Glossary. -all blowers are running. b. twice per day Microorganisms that are methane fermenters will only produce in the pH range of, Sludge Digestion & Solids Handling: anatomy and physiology. Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. Add to folder b. a little organic material ._3-SW6hQX6gXK9G4FM74obr{display:inline-block;vertical-align:text-bottom;width:16px;height:16px;font-size:16px;line-height:16px} Which property uniquely identifies a chemical element? -pH is 7.2. What type of fire extinguishers should be used on electrical fires? ._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} Certification Exam Prep; Continuing Education; Certificate Program; Utility Management DO Sludge Digestion & Solids Handling: Sludge Digestion & Solids Handling: d. activated sludge. a bacteria sample must be mailed so that the lab analysis can begin no later than. d. fats. at least two pipe diameters above the rim. Class 2 Wastewater Test Questions fullexams com. d. flotation, Wastewater Solids Processing: also, i wouldn't be worried about retesting. If a sludge cake consists of 60% solids, where did it mostly likely originate from? b. reduce turbulence Post was not sent - check your email addresses! Sedimentation and Flotation: Sample questions are provided for Classes I, II, III, and IV wastewater operator certification exams, so you can study the questions that are specific to your grade level. These questions are similar to, but not the same as, the questions you are likely to encounter on your certification exam. In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. b. nitrogen When is the dissolved oxygen in a waste pond the highest? I found a lot of the 3 questions were around anaerobic digestion so I focused a lot on that and it helped me pass. The demo is available to both certification programs and trainers to help prepare individuals for taking a computerized exam. a. gravity 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. b. vibrating trough The exam questions were developed by experts in the wastewater field. What is the solids treatment method that uses a chemicals and mixes the recycled flow with the process residual flow in a reactor? During the exam, . I had the same problem with my ABC exam for my industrial license. How often should the motor bearings be greased in a rotating biological contactor unit? 100:5:1 2017 Wastewater Treatment Operator Formula/Conversion Table. 10 PPM. c. 6 stages True. a. nitric acid When I sat for the tests it had a completely different "feel" and higher level of complexity than what I studied for in the ABC. 2,380 Gal./Min. Rotating Biological Contactors: Contact Andrea Rhodes What is the most accurate measure of the organisms present in an aerator for treating incoming wastes? If the manometer indicates the gas pressure in a digester is below normal, what would be the most probable cause? a. no organics 100:2:1 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. (3) reddish brown, Activated Sludge: Royceu.com is where you wanna go. Activated Sludge Module 1 . Activated Sludge: what would happen if too much sludge was added to an anaerobic digester? By measuring the pump output. e. black Mar. what type of waste solids would most likely be sent to a rendering reclamation? Wastewater Solids Processing: Secondary Treatment: I did my collection lvl4 and treatment lvl4, failed both, 8 year in the industry, tough exam. a. total solids Classes will Start September 7, 2021 and meet twice per week (Tues & Thurs) for six weeks, ending on October 14, 2021. Wastewater Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. b. toxic gases 2,323 Gal./Min. Secondary Treatment: 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\. 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