illinois class 4 wastewater practice test

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a. screw feeder Illinois Rural Water Association 3305 Kennedy Road; PO Box 49 Taylorville, IL 62568 Phone: 217-287-2115 Fax: 217-824-8638 Email: ilrwa@ilrwa.org d. COD, Trickling Filters: Another name for a waste stabilization pond is, Wastewater sources & characteristics: Please sign in to share these flashcards. h=e.getElementsByTagName("head")[0]||e.getElementsByTagName("script")[0].parentNode; b. d. composting, Wastewater Solids Processing: a. gray the Illinois EPA requires that routine bacteria samples to be taken and analyzed how often. the clarifier is hydraulically overloaded, Effluent Disposal: 8 0 obj feathr("sprinkle", "page_view"); The best operation performance for an anaerobic digester is when it is feed Rotating biological contactors are adversely affected by temperatures below_____degree F. Rotating Biological Contactors: What would be the cause of a shorted-winding in a motor? 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. DO b. screenings Collection Class 3; Collection Class 4 - most advanced level Small wastewater system operators oversee wastewater systems serving fewer than 3,300 persons. Answers and references are included for questions. c. trisodium phosphate Basic Concepts. c. a biological process Online Activities & Resources - Kansas Rural Water Association << What is the solids treatment method that uses a chemicals and mixes the recycled flow with the process residual flow in a reactor? d. have a density significantly greater than water, contain 20-25% nonvolatile inorganic matter. PDF Wastewater Operator Certification Guide Activated Sludge Module 2 . -all blowers are running. Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. a. rotameter What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? Need to know criteria. Typically, in the flotation thickening method, how much performance improvement (%) is the amount of solids for waste activated sludge realized when a polymer is added? b)Determine that all the plant equipment is operational. .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} a. oils and greases Safety: d. organisms available to treat the wastes, Activated Sludge: c. has less flocculant than primary sludges WasteWater Operator Certification, Grade 2 Learn with flashcards, games, and more for free. What is the optimum temperature range of mesophile bacteria in anaerobic digestion? what % of the dissolved solids in wastewater are inorganics, Wastewater sources & characteristics: Smith, Michael Abbott. . Solids removal from secondary effluent: }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); Introduction Sedimentation and Flotation: b. toxic gases d. plunger feeder, Solids removal from secondary effluent: In the activated sludge system for the process control of effluent suspended solids, what is the primary controlling variable for the desired microbial population? c)Replenish chemical stock. a. polishing pond c. flammable oils Making water clean. Hydrogen Sulfide will exist in a system depending on the presence or absence of_____. d. extended aeration activated sludge. During the exam, . Calculate the BOD given the information: Initial DO: 8.3. b. yellow 0000002075 00000 n The Examination Request for Wastewater Operator Certification must be submitted for a Letter of Admission to be issued. These questions are similar to, but not the same as, the questions you are likely to encounter on your certification exam. d. flotation, Wastewater Solids Processing: Please select the correct language below. c. orifice Maintenance: 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. c. composting How often should flame arresters be service on anaerobic digesters? 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: . If power to a Test Center is temporarily interrupted during an administration, your examination will be restarted. PDF Practice Exam #3 - Sewer Geek Wastewater treatment systems protect public health and the environment only if they are being properly operated and maintained. Introduction to Water & Wastewater Treatment Technology - This course from Mountain Empire Community College includes 19 lessons tracing the flow of water from the source through treatment, storage, distribution, use, waste collection, treatment and discharge back into the environment. Water Treatment Certification practice tests, flashcards, study guides, and more. A wastewater [plant has a train of three rotating biological contactor (RBC) units. Sludge Digestion & Solids Handling: Colorado uses the 2019 edition of standard, sequential examinations developed by the Association of Boards of Certification (ABC) for all classes of certificates, except Classes "S" and "T" which are custom exams. d. preaeration. Alabama Department of Environmental Management Residual Solids Management: -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. Find out how you can intelligently organize your Flashcards. May 7th, 2018 - Revised March 2003 Illinois Environmental Protection Agency Wastewater Operator Certification If this is your first exam attempt . Activated Sludge: Wastewater Tougher Questions wastewater grade 1 Wastewater Certification Grade 2 Flashcards Wastewater Grade 4 Questions Wastewater Grade 4 Questions by coe1069 , Mar. 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"}}. 2. oxidation pond Introducing Cram Folders! 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. which type of centrifuge uses an other screw conveyor to move the solids to the discharge point? CCWP - Which certificate is right for you? | Department of Public If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? Read more ISBN-10 1583217282 ISBN-13 978-1583217283 Edition Spi Publisher Electrical units operating in areas exposed to flammable vapors should_______. Approved Training Provider - Indiana, Illinois, Ohio, Delaware, Alabama, Maryland, Idaho, North Carolina, South Carolina, Virginia, West Virginia, Tennessee and Kentucky. a. contain 20-25% nonvolatile inorganic matter All rights reserved. d. pure oxygen, Activated Sludge: What is WEF? Sludge Digestion & Solids Handling: . Activated Sludge Module 1 . Which organism would most probably be associated with high suspended solids and biochemical oxygen demand (BOD). Was it a 3 in collections or 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: 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. (a) Where does the fish appear to be? 4 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. c. green b. complete mix aeration Basic Chemistry: When the pump is not running, the water rises in 3 min. Edwardsville, IL 62026-1075 (618) 650-2030 7. When is the pH in a waste pond the lowest? Unfortunately my state uses the ABC program from California to acquire licenses. 10 7. What is the proper emergency chlorine kit for a 1-ton chlorine cylinder? What is the odor detection limit of chlorine gas? (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 . The most common pathogen identified in waterborne disease outbreaks in the United States is_______, Water and Wastewater Microbiology" Given the following information: -aerobic digester dissolved oxygen level is at 3.5 mg/L. b. flotation b. an anaerobic digester If is not recommended to start up trickling filters in the _____(season) because bacteria are most ofter dormant at this time, Trickling Filters: Wastewater Collections Grade 2 Practice Test California Wastewater Collections Grade 2 Practice Test California Water and Wastewater Courses For Operator Certification. Rotating Biological Contactors: c. increase mixing d. temperature. Perfect for water distribution operators taking their D-1, D-2, D3 Operator exams (DI-DIII.) Microbiology. Wastewater Operator Certification Exam Book List. If you want more practice problems, click here . Water Distribution Certification practice tests, flashcards, study guides, and more. Cram has partnered with the National Tutoring Association, Conventional Wastewater Treatment Case Study, Lab Report: Phalyco-Chemical Characteristics Of Chemical Acid, How Does Hypochlorous Acid Affect A Swimming Pool. 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? High suspended solids and BOD are most probably associated with which type of organisms? they prevent foaming in the annular space. b. decanter Stabilization Ponds Operations Manual USEPA 430/9-77-012 d. flood the filter. c. applying chlorine d. belt presses, Wastewater Solids Processing: Waste Treatment Ponds: b. a little organic material ABC | Study Guides Bacteria are in the ______kingdom, Activated Sludge: Wastewater sources & characteristics: c. solids concentration What organism would most likely enhance the penetration of oxygen into the activated sludge, Rocks/Screens/Comminutors & Grit Removal: In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. Aerobic ponds usually range in depth from ___-____ft, Wastewater Treatment Facilities: 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? when taking a bacteria sample, the sample bottle should be filled with water. a. increase air in aeration system PDF Class K - Industrial Study Guide Complete the test and know your score instantly. d)Test start standby pimps, motors and generators. a. sand drying beds Im trying to pass n-2 failed twice by two points . %PDF-1.2 worked for me on the class IV. b. vacuum filters illinois class 4 wastewater practice test -high surface turbulence. This class addresses all the test topics and provides the operators with all the study material necessary to prepare for the exam. The process that uses heat to selectively destroy undesirable organisms is called: Disinfection: Water Operator Resources - Illinois Section American Water Works The plant engineer estimates the machine has a useful life of 5 years and no salvage value. Digestion is working properly if the volatile solids content of the raw sludge has been reduced by ___-___%, Sludge Digestion & Solids Handling: In a primary clarifier, the expected performance for removing settleable solids is 90-95% removal. Study Tools | American Water College d. chemical addition with counter masking or masking agents, chemical addition with counter masking or masking agents. Which one of the following methods would not be used to feed DRY chemicals? PDF Wastewater Collection Practice Test #3 Page 1 of 26 - Sewer Geek What type of feeder would always feed a gas? d. low operating costs, as they are east to run, Secondary Treatment: Wastewater Certification Information By State 50%. MATERIAL AND METHODS What class of fire involves sodium and magnesium? Odor Control: The program suggests purchasing their books from Sacramento. The demo is available to both certification programs and trainers to help prepare individuals for taking a computerized exam. ._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)} a. 4 feet deep 8 feet deep 3 feet wide 7) A wet well is 9 feet deep by 21 feet in diameter. Please find links to the Certification Information Pages below for each state: Alabama - http://www.adem.state.al.us/programs/water/opcertification.cnt Alaska - 100:2:1 Rotating biological contactors have all the following advantages except: Wastewater Solids Processing: 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. These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. Math guides, tutorials, tips, and practice quizzes. b. COD 14/08/2014 An anaerobic sludge digester should be operated such that________________, acid formation is equal to methane formation, Sludge Digestion & Solids Handling: The purpose of adding sodium thiosulfate to a microbiological sample bottle is to. -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. Wastewater Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. 4 stages No stress. Which type of feeder would most likely feed clear solutions? To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? VIII. Class 4 Wastewater IL Flashcards | Quizlet Secondary Treatment: d. hydrogen sulfide. 100:5:1 (2) reddish brown 14 sec. Activated Sludge: Activated Sludge: ._1QwShihKKlyRXyQSlqYaWW{height:16px;width:16px;vertical-align:bottom}._2X6EB3ZhEeXCh1eIVA64XM{margin-left:3px}._1jNPl3YUk6zbpLWdjaJT1r{font-size:12px;font-weight:500;line-height:16px;border-radius:2px;display:inline-block;margin-right:5px;overflow:hidden;text-overflow:ellipsis;vertical-align:text-bottom;white-space:pre;word-break:normal;padding:0 4px}._1jNPl3YUk6zbpLWdjaJT1r._39BEcWjOlYi1QGcJil6-yl{padding:0}._2hSecp_zkPm_s5ddV2htoj{font-size:12px;font-weight:500;line-height:16px;border-radius:2px;display:inline-block;margin-right:5px;overflow:hidden;text-overflow:ellipsis;vertical-align:text-bottom;white-space:pre;word-break:normal;margin-left:0;padding:0 4px}._2hSecp_zkPm_s5ddV2htoj._39BEcWjOlYi1QGcJil6-yl{padding:0}._1wzhGvvafQFOWAyA157okr{font-size:12px;font-weight:500;line-height:16px;border-radius:2px;margin-right:5px;overflow:hidden;text-overflow:ellipsis;vertical-align:text-bottom;white-space:pre;word-break:normal;box-sizing:border-box;line-height:14px;padding:0 4px}._3BPVpMSn5b1vb1yTQuqCRH,._1wzhGvvafQFOWAyA157okr{display:inline-block;height:16px}._3BPVpMSn5b1vb1yTQuqCRH{background-color:var(--newRedditTheme-body);border-radius:50%;margin-left:5px;text-align:center;width:16px}._2cvySYWkqJfynvXFOpNc5L{height:10px;width:10px}.aJrgrewN9C8x1Fusdx4hh{padding:2px 8px}._1wj6zoMi6hRP5YhJ8nXWXE{font-size:14px;padding:7px 12px}._2VqfzH0dZ9dIl3XWNxs42y{border-radius:20px}._2VqfzH0dZ9dIl3XWNxs42y:hover{opacity:.85}._2VqfzH0dZ9dIl3XWNxs42y:active{transform:scale(.95)} b. grit b. bleach Which organism wold most probably be associated with moderate sludge age and effluent water quality, Wastewater sources & characteristics: What about the removal of suspended solids? The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls? For more practice problems: https://www.waterandwastewatercourses.com/To enroll in an online course: https://courses.waterandwastewatercourses.com/Grade 1: . Wastewater Operator Certification - Illinois Need-to-Know Criteria outline the content that will be covered on the 2017 ABC standardized exams. c. temperature temperature favoring the growth of a particular species of algae. What type of pond would receive wastewater form a secondary treatment system? 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? Secondary Treatment: 98) Every day the operator of a small wastewater treatment plant should. Introducing Cram Folders! The most common imbalance in the operation of an anaerobic sludge digester is, Sludge Digestion & Solids Handling: The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. within 1 inch from the top. Exam Schedule - Wastewater Operator Certification - Illinois They all produce high volumes of wastewater. while the pump is running, what is the pump rate in GPM? ._12xlue8dQ1odPw1J81FIGQ{display:inline-block;vertical-align:middle} ._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} Wide, and 14 ft. Standards of conduct and practice were revised to exclude marijuana-related drug distribution misdemeanor convictions from convictions that a regulant must report to the Board. Microorganisms that are methane fermenters will only produce in the pH range of, Sludge Digestion & Solids Handling: Which one of the following species is ozone? Wastewater Certification practice tests, flashcards, study guides, and more. The next Stage of treatment is the Secondary Treatment, or Biological. % Its a 2 year old post and have then since passed my 3 and ready to take my 4 next year. Took the class III exam from the ABC program yesterday and felt very under knowledge. c. tapered aeration Residual Solids Management: b. correct faulty plant operation Activated Sludge: How many stages are usually present in the rotating biological contactor process? A pond that contains algae and requires the use of compressor is classified as, Waste Treatment Ponds: a. I got a book from WEF and studied a few online resources recommended on here. 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? Basic Chemistry: at least two pipe diameters above the rim. ABC's website provides Need to Know Criteria for exams. Water Environment Federation Bookstore. I also recommend these practice test to my coworkers. Jake Monitor electrical equipment E.coli Test Operate safety equipment . Filter sloughings are a product of: Sedimentation and Flotation: How ofter should the drive bearings be greased in a rotating biological contactor unit? Water and Wastewater Courses For Operator Certification. ABC wastewater exam class III : r/Wastewater - reddit.com ABC | Sample Exam Questions $32 c. $36 d. $42.50