Rotating Biological Contactors: What modified activated sludge process does not require primary treatment? Which organism wold most probably be associated with moderate sludge age and effluent water quality, Wastewater sources & characteristics: Tightened down to a drip. b. an anaerobic digester How often should the oil in the chain casing be changed? -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. The program suggests purchasing their books from Sacramento. c. 100:10:3 acid fermentaters would predominate and pH would decrease, Sludge Digestion & Solids Handling: Stabilization Ponds Operations Manual USEPA 430/9-77-012 Available through: Post was not sent - check your email addresses! 78 terms. d. flood the filter. c. about half the volume as the grit being removed c. secondary sludge c. trisodium phosphate Wastewater Solids Processing: The most important factor in the high-rate process of anaerobic digestion is: Incoming Wastewater Testing Monitoring of influent wastewater is an important component of operating an activated sludge plant. 0000001005 00000 n a. heavy metals Currently the Collection Systems, the Class 4, Class 3, Class 2 and the Class 1 exam have 100 questions each. Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. d. fats. when one liquid is dissolved in another liquid it is called. d. plunger feeder, Solids removal from secondary effluent: When the pump is not running, the water rises in 3 min. 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Rotating Biological Contactors: What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? 0000045196 00000 n Sludge Digestion & Solids Handling: excessive slime growths on a trickling filter may cause a condition on the the filter called, Trickling Filters: Lab-Getting Trendy You must sign in or sign up to start the quiz. @keyframes _1tIZttmhLdrIGrB-6VvZcT{0%{opacity:0}to{opacity:1}}._3uK2I0hi3JFTKnMUFHD2Pd,.HQ2VJViRjokXpRbJzPvvc{--infoTextTooltip-overflow-left:0px;font-size:12px;font-weight:500;line-height:16px;padding:3px 9px;position:absolute;border-radius:4px;margin-top:-6px;background:#000;color:#fff;animation:_1tIZttmhLdrIGrB-6VvZcT .5s step-end;z-index:100;white-space:pre-wrap}._3uK2I0hi3JFTKnMUFHD2Pd:after,.HQ2VJViRjokXpRbJzPvvc:after{content:"";position:absolute;top:100%;left:calc(50% - 4px - var(--infoTextTooltip-overflow-left));width:0;height:0;border-top:3px solid #000;border-left:4px solid transparent;border-right:4px solid transparent}._3uK2I0hi3JFTKnMUFHD2Pd{margin-top:6px}._3uK2I0hi3JFTKnMUFHD2Pd:after{border-bottom:3px solid #000;border-top:none;bottom:100%;top:auto} Sludge Digestion & Solids Handling: STUDY STRATEGY 10-13 . a. rotameter d. brown Im trying to pass n-2 failed twice by two points . Safety: 3 Study only Chapter 16 (Laboratory Procedures and Chemistry) of Book #2. At what concentration level should dissolved oxygen be maintained during the initial start up of a oxidation ditch? Deep. Press J to jump to the feed. The passing grade is 70%. For more practice problems: https://www.waterandwastewatercourses.com/To enroll in an online course: https://courses.waterandwastewatercourses.com/Grade 1: . DO d. raw sewage. ABC's website provides Need to Know Criteria for exams. The major gas produced by aerobic decomposition is:_______. 2,380 Gal./Min. The standard for gases has a density of. a. chlorine }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); b. filter presses Residual Solids Management: Influent BOD testing will allow monitoring of F/M ratio and plant organic loading. What is the most probable cause for excessive algae in the effluent of a wastewater pond? 10 7. Sorry, this post was deleted by the person who originally posted it. They all produce high volumes of wastewater. For an examinee or testing client unfamiliar with the Association of Boards of Certification's computerized exams, Experience ABC's Computerized Exams gives a closer look. Disinfection: activated sludge in an aeration tank Sludge Digestion & Solids Handling: Rotating Biological Contactors: Virtual Water workshops meet from 1:00 p.m. to 4:00 p.m. What is the only acceptable breathing device to wear while handling chlorine leaks? Secondary Treatment: Pool Chemistry 4 stages By measuring the pump output. 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 H}Wr8[$HB$"&.ZO*JJ4p8(To>|H^sGGrB*G*f%G. 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. This solids treatment method maximizes the reduction of moisture and solids is called_______, Wastewater Solids Processing: The water quality parameters of pH and alkalinity and the presence of toxic substances can impact plant operation, because of their Hydrogen Sulfide will exist in a system depending on the presence or absence of_____. Sludge Digestion & Solids Handling: c. BOD If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? Activated Sludge: 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 Making water clean. What type of pond would receive wastewater form a secondary treatment system? 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. b. CO2 what would happen if too much sludge was added to an anaerobic digester? c. temperature The current imbalance between legs of polyphase motors should never exceed____%, Maintenance: Loading Rates. ._12xlue8dQ1odPw1J81FIGQ{display:inline-block;vertical-align:middle} Mar. a)Clean settling basins and dispose of sludge. c/ dewatering (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 . (b) What is the magnification of the image of the fish? 0000045118 00000 n Campus Box 1075 - Southern Illinois Univ. a. flush out distributor arms Maintenance: d. 100:12:5, Trickling Filters: d. incineration 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: Press question mark to learn the rest of the keyboard shortcuts, https://royceu.com/Public/PracticeQuizes.aspx. Disinfection: What is "the" major factor in predicting the performance of wastewater clarifiers? Grease should be cleaned from walkaways with a stiff brush and Sludge Digestion & Solids Handling: 0000001026 00000 n What do roller guides provide in an anaerobic digester? To go to the Class 2 & 3 Study Guide Click on above tab. To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? By the way, please keep in mind these problems are for anyone who is pursuing the first two certification levels. Introducing Cram Folders! c. composting Activated Sludge: What should be the air gap separation between a potable water pipe and the rim of a wastewater tank? d. chemical addition with counter masking or masking agents, chemical addition with counter masking or masking agents. b)Determine that all the plant equipment is operational. which one of the following wastewater solids would most likely never end up on a dedicated land disposal (DLD) site? 2 Class 4E . Equilibrium system and stress factors My score on the exam was a B+ for the level one, my score for other exams have been much better. Which one of the following types of substance is not soluble in water and has the potential of creating explosive conditions? When is the pH in a waste pond the lowest? d. pure oxygen, Activated Sludge: b. vibrating trough The least desirable control method for an anaerobic digester is the use of digester____ ._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} Wastewater Laboratory Analyst Certification Exam Practice. r.invoke.apply(r,arguments):r.queue.push(arguments)}, Non -sewage: This is discharged by manufacturing processes and commercial enterprises. Of the following, which is the least important nutrient in wastewater treatment for microorganisms to reproduce? Which one of the following species is ozone? 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? . Each question has been validated through a process of panel review. c. rotating feeder the clarifier is hydraulically overloaded, Effluent Disposal: Create an account to follow your favorite communities and start taking part in conversations. d. compost. a. flotation b. decanter This stage takes care of the dissolved organic matter that escapes the primary stage. WasteWater Operator Certification, Grade 2 Learn with flashcards, games, and more for free. a. increase air in aeration system Sludge Digestion & Solids Handling: Another name for slime growth is, Trickling Filters: Secondary Treatment: Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. 2 Study only Chapter 15 (Maintenance) and Chapter 16 (Laboratory Procedures and Chemistry) of Book #. c. improve housekeeping around drying beds $32 c. $36 d. $42.50 What is the optimum temperature for digester substances? Edwardsville, Illinois 62026-1075 (618) 650-2030 . . I passed the ABC class 3 and didnt use the Sacramento books at all. Class 2 wastewater operator certification examination. Basic Chemistry: c. sludge age A solids treatment thickening process method would be Wastewater Tougher Questions wastewater grade 1 Wastewater Certification Grade 2 Flashcards Wastewater Grade 4 Questions Wastewater Grade 4 Questions by coe1069 , Mar. support for the floating cover when it is at its lowest point. c. composting We weren't able to detect the audio language on your flashcards. Wastewater Solids Processing: that is they must test what they are supposed to test. 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? d. low operating costs, as they are east to run, Secondary Treatment: return sludge/raw wastewater, Activated Sludge: Usually, what is the % accuracy of a graduated cylinder and burette? Effluent Disposal: . every month. c. volatile-acid-alkalinity ratio If the level falls in 10.3 min. If a secondary clarifier has floatable debris in the effluent, what is the most likely cause? Process wastewater can Mr Jose d)Test start standby pimps, motors and generators. d. about the same volume as the grit being removed. Activated Sludge: 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. Bacteria are in the ______kingdom, Activated Sludge: How often should the mainshaft bearings be greased in a rotating biological contactor unit? 0000002075 00000 n Unfortunately my state uses the ABC program from California to acquire licenses. a. oils and greases Test takers are allowed three hours to complete the exam. The allowable voltage above or below the value stamped on a motor's nameplates is_____%, Maintenance: Surface loading and detention time is a clarifier are directly related to: Sedimentation and Flotation: Basic Chemistry: Upgrade to Combined Grade 7 - Massachusetts Wastewater Treatment Plant Operator. Water Distribution Certification practice tests, flashcards, study guides, and more. 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. c. cyanides b. COD When is the dissolved oxygen in a waste pond the highest? Outline The ABC formula sheet is provided, and you must bring a non-programmable calculator. ._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)} 0000001315 00000 n Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. Rotating Biological Contactors: c. carbon in organic matter how much surface area of a rotating biological contactor is immerses in the wastewater? The Examination Request for Wastewater Operator Certification must be submitted for a Letter of Admission to be issued. Grade 4 Wastewater Certification Wastewater Extra Questions Grade 1 Wastewater certification review grade. Another solids treatment thickening process would be: Solids removal from secondary effluent: Please sign in to share these flashcards. d. positive displacement. This course will prepare you to pass your entry level wastewater treatment operator exam with confidence and get you started on your way to a successful and satisfying career in wastewater treatment. b. cyanide 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. This test is designed to simulate the actual Wastewater exam as closely as possible. The best operation performance for an anaerobic digester is when it is feed b. nitrogen The industrial Class K (facility-specific) exam has a total of 15 questions, 5 multiple choice short answer/essay. b. contact stabilization a. contain 20-25% nonvolatile inorganic matter 50 terms. This makes it harder to write exams. 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. Which chemical in the following list is the strongest disinfectant? c. gasoline products USE OF CALCULATORS ON THE EXAM 10 . 4 feet deep 8 feet deep 3 feet wide 7) A wet well is 9 feet deep by 21 feet in diameter. At what depth should samples be collected from a waste pond? b. F/M Residual Solids Management: they prevent foaming in the annular space. This class addresses all the test topics and provides the operators with all the study material necessary to prepare for the exam. feathr("fly", "5e558ae66f594e4be753166e"); b. pH Effluent Disposal: What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? Sedimentation and Flotation: Basic Chemistry: d. acids and alkalies, Activated Sludge: Activated Sludge Module 4 . ABC wastewater exam class III : r/Wastewater. 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 c. power requirements are low This 5 question practice test is a demo of the full, 100 question, practice test available to members. Wastewater Certification Information By State October 30, 2018 We have many people contact us regarding Wastewater Operator Certification in many states. b. a. gravity Waste Treatment Ponds: ._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} View the 2020-2021 wastewater exam summary statistics of quarterly exam results HERE. 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