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? d. scum, Residual Solids Management: What type of pond would receive wastewater form a secondary treatment system? b. vibrating trough d. hydrochloric acid. c. tapered aeration 2,380 Gal./Min. One solids treatment thickening process would be: Stabilization Ponds Operations Manual USEPA 430/9-77-012 Sludge Digestion & Solids Handling: Operators should use special precautions when placing anaerobically digested sludge on a drying bed because sludge contains what gas? 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. To help you study for your wastewater treatment operator certification exam, here are four practice problems. Rainwater runoff is also considered as w Name ____________________________________ The least desirable control method for an anaerobic digester is the use of digester____ Another solids treatment thickening process would be: b. COD When preparing a sample for laboratory analysis that involves acid and water, how should the sample be poured? a.complete mix aeration d. settleable solids, Activated Sludge: Sludge Digestion & Solids Handling: Reliability can only . This test is designed to simulate the actual Wastewater exam as closely as possible. 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?? Activated Sludge: b. correct faulty plant operation . b. wet air oxidation . DO The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. I was successful writing my level III Water Distribution but it too had a lot of questions about water treatment, cross connection control, GIS systems, blueprints, dosages etc. My score on the exam was a B+ for the level one, my score for other exams have been much better. This stage takes care of the dissolved organic matter that escapes the primary stage. b. decrease circulation The passing grade is 70%. c. F/M ration 10 PPM. d. chemical oxidation, Wastewater Solids Processing: An anaerobic sludge digester should be operated such that________________, acid formation is equal to methane formation, Sludge Digestion & Solids Handling: What is the most accurate measure of the organisms present in an aerator for treating incoming wastes? How much of the solids should be wasted each week in the summer form a package wastewater treatment plant for the best quality? Hb```f``d30 P9eVcrV),VA`}. a. Disinfection: Wastewater Solids Processing: a. rotameter Class 4 Study Guide Wastewater Operator Certification . a. improve housekeeping % What is the only acceptable breathing device to wear while handling chlorine leaks? d. raw sewage. ._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)} Best of luck you! Sludge Digestion & Solids Handling: a. heat treatment Milliliters of sample used: 2. Just wanted to make sure Im looking at the right tests/guides. THESE ARE NOT DUPLICATE QUESTIONS FROM ANY STATE EXAM. What is the difference between a weak acid and a strong acid? Usually, what is the % accuracy of a graduated cylinder and burette? Available to Treatment and Distribution Members. Grease should be cleaned from walkaways with a stiff brush and Contact Andrea Rhodes When inserting glass tubing into a rubber hose or stopper, never use____for lubrication, Basic Chemistry: too much lime has been added, reducing gas production. ._3oeM4kc-2-4z-A0RTQLg0I{display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between} Wastewater sources & characteristics: d. belt presses, Wastewater Solids Processing: Activated Sludge Module 3 . 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. The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. Water and Wastewater Microbiology" d. temperature. High suspended solids and BOD are most probably associated with which type of organisms? no one is perfect and as long as you make progress, i'd be happy with the effort. The Examination Request for Wastewater Operator Certification must be submitted for a Letter of Admission to be issued. You have created 2 folders. Wastewater Class 2 multiple choice. Basic Chemistry: Rotating biological contactors have all the following advantages except: Approved Environment, Inc. offers 50 online continuing education (CE) courses for water and wastewater. Practice Exam #1 Practice Exam #1 - Answers Practice Exam #2 - Answers Practice Exam #2 Practice Exam #1 - Answers VI. (2) reddish brown If you want more practice problems, click here . how much surface area of a rotating biological contactor is immerses in the wastewater? What can be done to the trickling filter to solve high effluent suspended solids? 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: I included the answers at the bottom of this page. Microorganisms that are methane fermenters will only produce in the pH range of, Sludge Digestion & Solids Handling: Virtual Wastewater and Math Review workshops meet from 1:00 p.m. to 3:00 p.m. Wastewater Laboratory Analyst Certification Exam Practice. 2017 Wastewater Treatment Operator Class IV Wastewater Treatment Operator Formula/Conversion Table ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. 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 What is WEF? ._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} 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: 0000001315 00000 n Which of the following groups of microorganisms are found in a good settling mixed liquor? the books are a tad overkill for the ABC tests. ._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} d. hydrogen sulfide. 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. d. once every other day, Sludge Digestion & Solids Handling: Wastewater Operator Certification Exam Schedule You must have a Letter of Admission to take the wastewater operator examination. Along with the practice exam you will also be able to read and learn the secret of achieving top scores on the State Exam. %PDF-1.4 % Class 2 wastewater operator certification examination. Where would toxicants least likely cause a problem for a wastewater treatment plant? Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. Outline What modified activated sludge process does not require primary treatment? a. screw feeder 2. oxidation pond Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. Activated Sludge: Secondary Treatment: The Wastewater Operator Certification Program is intended to protect public health, environmental quality, and the financial investment of wastewater facilities. a. incineration Please find links to the Certification Information Pages below for each state: Alabama - http://www.adem.state.al.us/programs/water/opcertification.cnt Alaska - Rotating Biological Contactors: Maintenance: .ehsOqYO6dxn_Pf9Dzwu37{margin-top:0;overflow:visible}._2pFdCpgBihIaYh9DSMWBIu{height:24px}._2pFdCpgBihIaYh9DSMWBIu.uMPgOFYlCc5uvpa2Lbteu{border-radius:2px}._2pFdCpgBihIaYh9DSMWBIu.uMPgOFYlCc5uvpa2Lbteu:focus,._2pFdCpgBihIaYh9DSMWBIu.uMPgOFYlCc5uvpa2Lbteu:hover{background-color:var(--newRedditTheme-navIconFaded10);outline:none}._38GxRFSqSC-Z2VLi5Xzkjy{color:var(--newCommunityTheme-actionIcon)}._2DO72U0b_6CUw3msKGrnnT{border-top:none;color:var(--newCommunityTheme-metaText);cursor:pointer;padding:8px 16px 8px 8px;text-transform:none}._2DO72U0b_6CUw3msKGrnnT:hover{background-color:#0079d3;border:none;color:var(--newCommunityTheme-body);fill:var(--newCommunityTheme-body)} What do corbels provide in an anaerobic digester? My tests are based off of ABC and Sacramento too. negative pole of an electrolytic cell or system, Unless water cooled, the operating temperature of a mechanical seal in a pump should never exceed. How ofter should the drive bearings be greased in a rotating biological contactor unit? In a primary clarifier, the expected performance for removing settleable solids is 90-95% removal. What would be the cause of a shorted-winding in a motor? d. plunger feeder, Solids removal from secondary effluent: If this is your first exam attempt, a short history of the current exam development should be of interest. ._2Gt13AX94UlLxkluAMsZqP{background-position:50%;background-repeat:no-repeat;background-size:contain;position:relative;display:inline-block} 98) Every day the operator of a small wastewater treatment plant should. No worry. a. flotation b. complete mix aeration Activated Sludge: 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. Activated Sludge: Grade 4 Wastewater Certification Wastewater Extra Questions Grade 1 Wastewater certification review grade. d. compost. 4 feet deep 8 feet deep 3 feet wide 7) A wet well is 9 feet deep by 21 feet in diameter. Lab-Getting Trendy The next Stage of treatment is the Secondary Treatment, or Biological. Filter sloughings are a product of: Sedimentation and Flotation: -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. A pond that depends on fermentation, is odorous, and is used mainly for processing industrial wastes is classified as, Waste Treatment Ponds: illinois class 4 wastewater practice test. Study materials to help you succeed. d. activated sludge, Wastewater Treatment Facilities: What organism would most likely enhance the penetration of oxygen into the activated sludge, Rocks/Screens/Comminutors & Grit Removal: 4.5 in. What document provides a profile of hazardous substances and/or mixtures? MATERIAL AND METHODS 2 Study only Chapter 15 (Maintenance) and Chapter 16 (Laboratory Procedures and Chemistry) of Book #. .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} Equilibrium system and stress factors (hint: the elements social CHAPTER THREE I did my collection lvl4 and treatment lvl4, failed both, 8 year in the industry, tough exam. a. heavy metals c. green 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. To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? Certification testing is offered as a computer-based test. How many stages are usually present in the rotating biological contactor process? Ponds used in series after a trickling filter are sometimes called? c. increase mixing + excessive slime growths on a trickling filter may cause a condition on the the filter called, Trickling Filters: b. mineral oils d. N2O. What is the purpose of a draft tube in an anaerobic sludge digester? Perfect for water distribution operators taking their D-1, D-2, D3 Operator exams (DI-DIII.) Low-temperature water can be compensated for when using alum by______, Basic Chemistry: The plant engineer estimates the machine has a useful life of 5 years and no salvage value. How often should the motor bearings be greased in a rotating biological contactor unit? Flow Patterns. Compute the depreciation schedule using: (a) Straight-line depreciation (b) Sum-of-years'-digits depreciation (c) Double declining balance depreciation (assume any remaining depreciation is claimed in the last year). c. sulfuric acid What is the optimum temperature for digester substances? b. BOD Which one of the following is not a major solids treatment method? b. contact stabilization In general, secondary sludges: Water and Wastewater Courses For Operator Certification. Every test is created from a pool of possible water distribution questions. Non -sewage: This is discharged by manufacturing processes and commercial enterprises. Currently the Collection Systems, the Class 4, Class 3, Class 2 and the Class 1 exam have 100 questions each. Past Exam Results. d. brown Aerobic ponds usually range in depth from ___-____ft, Wastewater Treatment Facilities: Demo: Experience ABC's Computerized Exams. Introducing Cram Folders! Wastewater Solids Processing: The Wastewater Operator Certification Program is intended to protect public health, environmental quality, and the financial investment of wastewater facilities. c. 100:10:3 American Water College. Add to folder How many steps are the in coagulation? c. sludge digester b. reduce turbulence c. tapered aeration Which organism wold most probably be associated with moderate sludge age and effluent water quality, Wastewater sources & characteristics: What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? Phone (800) 666-0206. name the laboratory glassware that can be used to heat liquids in an open flame? 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? c. trisodium phosphate c. BOD directs raw and digested sludge mixture to a heating area. Residual Solids Management: What about the removal of suspended solids? Please select the correct language below. V. WHAT OPERATORS NEED TO KNOW 3-9 . b)Determine that all the plant equipment is operational. (time of day), Waste Treatment Ponds: 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? ABC's website provides Need to Know Criteria for exams. I passed the next time. Certification Exam Prep; Continuing Education; Certificate Program; Utility Management b. toxic gases Smith, Michael Abbott. Sludge Digestion & Solids Handling: trailer << /Size 71 /Info 56 0 R /Root 59 0 R /Prev 99132 /ID[<188235b86438cd10632dbf081acd9545>] >> startxref 0 %%EOF 59 0 obj << /Type /Catalog /Pages 54 0 R /Metadata 57 0 R /PageLabels 52 0 R >> endobj 69 0 obj << /S 236 /L 297 /Filter /FlateDecode /Length 70 0 R >> stream Sludge Digestion & Solids Handling: b. a little organic material 10 7. You must sign in or sign up to start the quiz. d. incineration, Wastewater Solids Processing: Sludge Digestion & Solids Handling: Primary treatment is not required in which modified activated sludge process? Maintenance: @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} Basic Chemistry: By measuring the pump output. (b) What is the magnification of the image of the fish? Activated Sludge: WasteWater Operator Certification, Grade 2 Learn with flashcards, games, and more for free. What substance can cause obstructions in the sewer system and may cause anaerobic decomposition where the substances accumulate? Sorry, your blog cannot share posts by email. Following the activated sludge what process modification is very sensitive to bulking? Basic Chemistry: r.invoke.apply(r,arguments):r.queue.push(arguments)}, typically, how often should sediment and drip traps be drained in cold water? c. orifice 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. Sludge Digestion & Solids Handling: 0000000607 00000 n b. CO2 Press J to jump to the feed. Which one of the following types of wastewater ponds listed below is not classified like the other three? These questions are similar to, but not the same as, the questions you are likely to encounter on your certification exam. c. flammable oils c. grit So every time you practice you will take a unique test. 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. 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. How often should flame arresters be service on anaerobic digesters? Maintenance: 2017 Wastewater Treatment Operator Formula/Conversion Table. a. gray 0000045118 00000 n 1. that is they must test what they are supposed to test. b. filter presses feathr("fly", "5e558ae66f594e4be753166e"); }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); also, i wouldn't be worried about retesting. c. solids concentration 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.

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