c. temperature c. sludge drying bed or pond %PDF-1.2 too much lime has been added, reducing gas production. 78 terms. a. contain 20-25% nonvolatile inorganic matter Unfortunately my state uses the ABC program from California to acquire licenses. Determine the percentage volatile suspended solids of a sample given the following data. If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? Wastewater Solids Processing: FAQs - Wastewater Operator Certification - Illinois ._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)} Activated Sludge: Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. WasteWater Operator Certification, Grade 2, Wastewater Treatment Facilities: Board for Waterworks and Wastewater Works Operators and - Virginia All occupied trenches 4 or more feet deep must provide exits at. When preparing a sample for laboratory analysis that involves acid and water, how should the sample be poured? Water Operator Resources - Illinois Section American Water Works PDF Practice Exam #3 - Sewer Geek GLOSSARY OF WASTEWATER WORDS 22-28 . Disinfection: During the exam, . d. positive displacement. d. N2O. }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. Class 4 Wastewater IL 4.0 (1 review) Term 1 / 88 What do you do if a sewer line is plugged? 2,380 Gal./Min. Note: The Grade 7 Upgrade Application must be mailed to the Commonwealth of Mass, as shown on the form. Safety: d. preaeration. This course includes the following lessons: System Design and Layout, Distribution Piping, Water Storage, Fire Hydrants and Valves, Water Meters, Pumps and Motors, Cross-Connection Control, Disinfection, Corrosion Control, Water Quality, Water Main Installation and Backfilling, Safety, Regulations, Hydraulics b. F/M a. organic toxicants c)Replenish chemical stock. Sludge Digestion & Solids Handling: What document provides a profile of hazardous substances and/or mixtures? Waste Treatment Ponds: ._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} The current imbalance between legs of polyphase motors should never exceed____%, Maintenance: 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 Secondary Treatment: which one of the following wastewater solids would most likely never end up on a dedicated land disposal (DLD) site? Motor insulation material comes in four classes and the are based on_______, Maintenance: Water Distribution Certification practice tests, flashcards, study guides, and more. a. O2 (+3) I found a lot of the 3 questions were around anaerobic digestion so I focused a lot on that and it helped me pass. c/ dewatering d. activated sludge. ._3K2ydhts9_ES4s9UpcXqBi{display:block;padding:0 16px;width:100%} return sludge/raw wastewater, Activated Sludge: Class 4 Study Guide Wastewater Operator Certification . RoyCEU.com Continuing Education Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. b. toxic gases Please find links to the Certification Information Pages below for each state: Alabama - http://www.adem.state.al.us/programs/water/opcertification.cnt Alaska - 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. WEF/ABC Wastewater Laboratory Analysts' Guide to Preparing for the Certification Examination. a. improve housekeeping f. white, Odor Control: I had the same problem with my ABC exam for my industrial license. 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. Anaerobic ponds usually range in depth from___-___ft, Wastewater Treatment Facilities: activated sludge in an aeration tank within 1 inch from the top. the Illinois EPA requires that routine bacteria samples to be taken and analyzed how often. d. temperature. What organism would most likely enhance the penetration of oxygen into the activated sludge, Rocks/Screens/Comminutors & Grit Removal: illinois water license class D Flashcards - Cram.com a. conventional modification What solids treatment method removes 100% of the pathogens, water, and organics (UV is not the answer), Residual Solids Management: d. temperature. c. volatile-acid-alkalinity ratio directs raw and digested sludge mixture to a heating area. Sewer "B" has 94,875 people at In a primary clarifier, the expected performance for removing settleable solids is 90-95% removal. Final DO: 5.9. Back to CCWP - Steps to becoming certified. feathr("fly", "5e558ae66f594e4be753166e"); Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. Disinfection: What condition will occur if sludge is not pumped out of primary clarifiers at regular intervals? a. increase air in aeration system c. composting b)Determine that all the plant equipment is operational. When is the pH in a waste pond the highest? Residual Solids Management: name the laboratory glassware that can be used to heat liquids in an open flame? PDF Practice Exams For Wastewater Laboratory Analyst Certification They do list the books they pull info from. A fish is 2.5m2.5 \mathrm{~m}2.5m in front of the diving mask. Basic Chemistry: PDF Wastewater Operator Certification Guide ._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)} Wastewater Solids Processing: d. phosphate-free surfactant, Activated Sludge: Wastewater Solids Processing: CCWP - Which certificate is right for you? | Department of Public Wastewater Grade 2 t/f. Online Activities & Resources - Kansas Rural Water Association Southern Illinois Univ. Incoming Wastewater Testing Monitoring of influent wastewater is an important component of operating an activated sludge plant. (3) reddish brown, Activated Sludge: Keyword Glossary. b. food entering the process (solids) 0000045118 00000 n Deep. Electrical units operating in areas exposed to flammable vapors should_______. Sludge Digestion & Solids Handling: What is the most accurate measure of the organisms present in an aerator for treating incoming wastes? What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? b. 0000002075 00000 n Water and Wastewater Microbiology" What is the optimum temperature range of mesophile bacteria in anaerobic digestion? temperature favoring the growth of a particular species of algae. How often should the liquid level be checked on a digester to prevent overfilling? b. improve operations before digester 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. c. sludge age se&{1k">N0{5yur-;5Y5#[ !q& kH'U!p_,JjrDGM&tv.~Qsn,3u}L> b)>c^\!rA[6GOE;5N8&6\ciu2k 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. Stabilization Ponds Operations Manual USEPA 430/9-77-012 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. Alabama Department of Environmental Management What is the critical factor in any method to control the aeration tank? Which one of the following solids treatment methods can be classified as both stabilization and dewatering? Answers and references are included for questions. Wastewater sources & characteristics: Under which of the following conditions should sludge wasting normally be increased? If a secondary clarifier has floatable debris in the effluent, what is the most likely cause? Secondary Treatment: -pH is 7.2. .FIYolDqalszTnjjNfThfT{max-width:256px;white-space:normal;text-align:center} that is they must test what they are supposed to test. illinois class 4 wastewater practice test. Pre-Lab They all produce high volumes of wastewater. b. concentration Krysta_Wordock. . Solids removal from secondary effluent: USE OF CALCULATORS ON THE EXAM 10 . d)Test start standby pimps, motors and generators. Every test is created from a pool of possible water distribution questions. 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______. The passing grade is 70%. 2 Class 4E . This test is designed to simulate the actual Wastewater exam as closely as possible. What do ballast blocks provide in anaerobic digesters? Edwardsville, IL 62026-1075 (618) 650-2030 . . What is the chemical formula for sulfuric acid? d. organic toxicants, Activated Sludge: What about the removal of suspended solids? d. stabilization, Wastewater Solids Processing: The most common pathogen identified in waterborne disease outbreaks in the United States is_______, Water and Wastewater Microbiology" ABC Certification - Testing Services - Membership - Conference/Calendar - Certification Contacts - Continuing Education Review - About Us - Contact Us. worked for me on the class IV. Making water clean. they prevent foaming in the annular space. a. BOD By measuring the pump output. 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. Which one of the following is not a major solids treatment method? udDNW|'Z[V2Lj$h>-}ToIYPcXpj$c[1s;Hu'wg>{h<3B~l8io\M,J1?euZ1!j@Pk*DZWGBiNw+EE'jY?Qz\Vvr}W[Z RkGnW\Vq:G\n^6qAaVWn,v 9V;-zlpEp"Kp + If is not recommended to start up trickling filters in the _____(season) because bacteria are most ofter dormant at this time, Trickling Filters: a. polishing pond the clarifier is hydraulically overloaded, Effluent Disposal: I also recommend these practice test to my coworkers. how much surface area of a rotating biological contactor is immerses in the wastewater? -the tank is exhibiting high rates of foaming. Activated Sludge: d. chemical oxidation, Wastewater Solids Processing: Loading Rates. Wastewater Solids Processing: 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 b. VIII. 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What is WEF? b. correct faulty plant operation Basic Chemistry: c. hypochlorite acid Sedimentation and Flotation: 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: A problem with odors from trickling filters may be solved by: IX. Monitor electrical equipment E.coli Test Operate safety equipment . Low-temperature water can be compensated for when using alum by______, Basic Chemistry: Press J to jump to the feed. c. secondary sludge every month. ABC | Study Guides typically, how often should sediment and drip traps be drained in cold water? 0000045196 00000 n 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: Which organism wold most probably be associated with moderate sludge age and effluent water quality, Wastewater sources & characteristics: Waste Treatment Ponds: 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. Approvedce | Approved Environment Inc. | Learn. Online b. mineral oils Wastewater Operator Certification Exam Book List. Residual Solids Management: Operators should use special precautions when placing anaerobically digested sludge on a drying bed because sludge contains what gas? Along with the practice exam you will also be able to read and learn the secret of achieving top scores on the State Exam. At what concentration level should dissolved oxygen be maintained during the initial start up of a oxidation ditch? d. remove sludge digester, Odor Control: c. about half the volume as the grit being removed ._3Z6MIaeww5ZxzFqWHAEUxa{margin-top:8px}._3Z6MIaeww5ZxzFqWHAEUxa ._3EpRuHW1VpLFcj-lugsvP_{color:inherit}._3Z6MIaeww5ZxzFqWHAEUxa svg._31U86fGhtxsxdGmOUf3KOM{color:inherit;fill:inherit;padding-right:8px}._3Z6MIaeww5ZxzFqWHAEUxa ._2mk9m3mkUAeEGtGQLNCVsJ{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:18px;color:inherit}