Disinfection: A wastewater [plant has a train of three rotating biological contactor (RBC) units. Upgrade to Combined Grade 7 - Massachusetts Wastewater Treatment Plant Operator. }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); Wastewater sources & characteristics: What is the difference between a weak acid and a strong acid? Maintenance: c. sludge age 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 a. potassium DERFSTA. c. volatile-acid-alkalinity ratio The resources below are provided as an aid to students studying and practicing for their state exams as well as a helpful resource in the daily operation of a water/wastewater treatment plant. Every test is created from a pool of possible water distribution questions. proper operation. 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 /*# sourceMappingURL=https://www.redditstatic.com/desktop2x/chunkCSS/IdCard.ea0ac1df4e6491a16d39_.css.map*/not saying the books aren't a great info source, cuz they are packed with it, but it is an overload for these tests. c/ dewatering We weren't able to detect the audio language on your flashcards. b. using masking agents b. decanter d. pure oxygen, Activated Sludge: Class 4 Wastewater IL 4.0 (1 review) Term 1 / 88 What do you do if a sewer line is plugged? Deep. 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. A fish is 2.5m2.5 \mathrm{~m}2.5m in front of the diving mask. Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. The most important factor in the high-rate process of anaerobic digestion is: Southern Illinois University Edwardsville is authorized to operate as a postsecondary educational institution by the Illinois . c. increase mixing Secondary Treatment: 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? a. pH Electrical units operating in areas exposed to flammable vapors should_______. The most common imbalance in the operation of an anaerobic sludge digester is, Sludge Digestion & Solids Handling: In the activated sludge system for the process control of effluent suspended solids, what is the primary controlling variable for the desired microbial population? Activated Sludge: Wastewater Grade 2 t/f. Microorganisms that are methane fermenters will only produce in the pH range of, Sludge Digestion & Solids Handling: Activated Sludge: Sludge Digestion & Solids Handling: @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} g.async=!0,g.src=t,h.appendChild(g)} Wastewater Solids Processing: The industrial Class K (facility-specific) exam has a total of 15 questions, 5 multiple choice short answer/essay. Hydrogen Sulfide will exist in a system depending on the presence or absence of_____. a. screw feeder Pool Chemistry Bacteria in an anaerobic digester will effectively utilize: All rights reserved. a. heavy metals Wastewater Solids Processing: -all blowers are running. 10 7. -pH is 7.2. b. mineral oils Wastewater Solids Processing: a. heavy metals 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. /Filter /FlateDecode Surface loading and detention time is a clarifier are directly related to: Sedimentation and Flotation: worked for me on the class IV. b. The most common flow-measure device for wastewater is a_____, Wastewater Treatment Facilities: Mixed liquor is a combination of what 3 things? b. extended aeration activate sludge d. brown b. an anaerobic digester . c. vacuum filters Along with the practice exam you will also be able to read and learn the secret of achieving top scores on the State Exam. c. temperature c. O3 DO The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. Secondary Treatment: Water Treatment Certification practice tests, flashcards, study guides, and more. Sludge Digestion & Solids Handling: Edwardsville, IL 62026-1075 (618) 650-2030 . Maintenance: The last stage is the treatment of RMW. d. COD, Trickling Filters: Please upgrade to Cram Premium to create hundreds of folders! Aerobic ponds usually range in depth from ___-____ft, Wastewater Treatment Facilities: a. several times a day What term describes the condition that exists when the source of the water supply is below the centerline of the pump? d. phosphate-free surfactant, Activated Sludge: What is the only acceptable breathing device to wear while handling chlorine leaks? d. hydrogen sulfide. 2014 Click to Rate "Hated It" Click to Rate "Didn't Like It" Please sign in to share these flashcards. Which one of the following ius the least important in the successful operation of an activated sludge plant? a. improve housekeeping Typically, what average percent of total solids in domestic wastewater, both dissolved and suspended, are inorganics? d. raw sewage. a. gravity -high surface turbulence. a. no organics Microbiology. a. flush out distributor arms What solids treatment method removes 100% of the pathogens, water, and organics (UV is not the answer), Residual Solids Management: + a. total solids how often should the thermal valves be dismantled for service? New Sacramento books tend to cover a lot of stuff that you will see on ABC course, but exams will ask you for a very specific thing that youre most likely to skip in the book heh. Outline WEF/ABC Wastewater Laboratory Analysts' Guide to Preparing for the Certification Examination. The color of the bio-film on a rotating biological contactor undergoing nitrification would appear? What do roller guides provide in an anaerobic digester? Wide, and 14 ft. a) 346.2 b) 2229 Off GPM 7207 c) 3.23 33.4 in. Edwardsville, Illinois 62026-1075 (618) 650-2030 . 0000045196 00000 n I took the provided training seminars but with COVID they're all zoom . An atmosphere is defined as oxygen deficient if it contains less than what % oxygen by volume? c. composting WEF/ABC/C 2 EP Wastewater Operators' Guide to Preparing for the Certification Examination. a. BOD 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? A solids treatment stabilization process method would be: 2. oxidation pond b. toxic gases Following the activated sludge what process modification is very sensitive to bulking? At what depth should samples be collected from a waste pond? Sludge Digestion & Solids Handling: Wastewater Solids Processing: b. toxic gases Sludge Digestion & Solids Handling: activated sludge in an aeration tank b. oils and greases A solids treatment thickening process method would be Math questions include the method to solve. Just wanted to make sure Im looking at the right tests/guides. Certification Exam Prep; Continuing Education; Certificate Program; Utility Management Math guides, tutorials, tips, and practice quizzes. So every time you practice you will take a unique test. All occupied trenches 4 or more feet deep must provide exits at. Jake I got a book from WEF and studied a few online resources recommended on here. Class K Study Guide Industrial Wastewater Operator Certification . b. gravity It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. b. bleach Water and Wastewater Courses For Operator Certification. If a wastewater treatment plant has four aerobic digesters operated in series, which tank will exert the highest oxygen demand? Each question has been validated through a process of panel review. d. chemical oxidation. Wastewater Solids Processing: Residual Solids Management: The most common pathogen identified in waterborne disease outbreaks in the United States is_______, Water and Wastewater Microbiology" ._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} . I passed the ABC class 3 and didnt use the Sacramento books at all. Effluent Disposal: 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. r.invoke.apply(r,arguments):r.queue.push(arguments)}, If an activated sludge plant is hit with a high organic load, what will most like occur in the aeration tank? a. screenings b. CO2 what % of the dissolved solids in wastewater are inorganics, Wastewater sources & characteristics: b. concentration Sludge Digestion & Solids Handling: c. rotating feeder Another name for a waste stabilization pond is, Wastewater sources & characteristics: Class 4E On-Site Wastewater Certification Exam . This makes it harder to write exams. b. hypochlorous acid Making water clean. Approx. which type of centrifuge uses an other screw conveyor to move the solids to the discharge point? 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. b. pH b. flotation they prevent the cover from scraping the sidewall. The Wastewater Operator Certification Program is intended to protect public health, environmental quality, and the financial investment of wastewater facilities. Create an account to follow your favorite communities and start taking part in conversations. Motor insulation material comes in four classes and the are based on_______, Maintenance: also, i wouldn't be worried about retesting. Classes will Start September 7, 2021 and meet twice per week (Tues & Thurs) for six weeks, ending on October 14, 2021. Rotating Biological Contactors: Basic Chemistry: d. chemical addition with counter masking or masking agents, chemical addition with counter masking or masking agents. The exam consists of 100 multiple choice questions. Name the solids treatment method that has a solids buildup which forms a blanket on the bottom and forces the water out due to compression? ._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)} -all blowers are running. c. hypochlorite acid d. compost. >> Activated Sludge: directs raw and digested sludge mixture to a heating area. 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. $25 b. How often should the oil in the chain casing be changed? .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)} If the manometer indicates the gas pressure in a digester is below normal, what would be the most probable cause? What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? If a secondary clarifier has floatable debris in the effluent, what is the most likely cause? VI. Basic Chemistry: feathr("sprinkle", "page_view"); 50 terms. d. dissolved oxygen, Wastewater Solids Processing: b. BOD Activated Sludge: No stress. This class addresses all the test topics and provides the operators with all the study material necessary to prepare for the exam. Solids removal from secondary effluent: a. Rotating Biological Contactors: c. complex mix aeration Sludge Digestion & Solids Handling: c. trisodium phosphate Wastewater Laboratory Analyst Certification Exam Practice. Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. How ofter should the drive bearings be greased in a rotating biological contactor unit? Which one of the following solids treatment methods can be classified as both stabilization and dewatering? Wastewater treatment systems protect public health and the environment only if they are being properly operated and maintained. ABC's website provides Need to Know Criteria for exams.
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