a. several times a day I did my collection lvl4 and treatment lvl4, failed both, 8 year in the industry, tough exam. Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. The purpose of adding sodium thiosulfate to a microbiological sample bottle is to. How many stages are usually present in the rotating biological contactor process? Pool Chemistry Where would toxicants least likely cause a problem for a wastewater treatment plant? ._3oeM4kc-2-4z-A0RTQLg0I{display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between} What modified activated sludge process does not require primary treatment? Which of the following groups of microorganisms are found in a good settling mixed liquor? Following the activated sludge what process modification is very sensitive to bulking? At what depth should samples be collected from a waste pond? This class addresses all the test topics and provides the operators with all the study material necessary to prepare for the exam. How do you calibrate a chemical feed pump? b. phosphoric acid Disinfection: They helped me pass the level 4 wastewater operator test in New Mexico. 2017 Wastewater Treatment Operator Formula/Conversion Table Sedimentation and Flotation: Study key C amp D IN gov. b. improve operations before digester a) 346.2 b) 2229 Off GPM 7207 c) 3.23 33.4 in. 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. What is the solids treatment method that chemically treats the residual flow, then spread evenly over a porous belt? %PDF-1.2 d. about the same volume as the grit being removed. a. organic toxicants (Time of day), Waste Treatment Ponds: b. an anaerobic digester Rotating Biological Contactors: which one of the following wastewater solids would most likely never end up on a dedicated land disposal (DLD) site? 2 Study only Chapter 15 (Maintenance) and Chapter 16 (Laboratory Procedures and Chemistry) of Book #. Mixed liquor is a combination of what 3 things? d. activated sludge, Wastewater Treatment Facilities: The exam consists of 100 multiple choice 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______. a. airstream treatment Past Exam Results. b. extended aeration activate sludge Sewer "B" has 94,875 people at 50 terms. a)Clean settling basins and dispose of sludge. 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 (2) reddish brown d. pure oxygen, Activated Sludge: The detention time for primary clarifiers usually has a range of_____hr/s, Wastewater Treatment Facilities: . The wastewater operator certification program is a mandatory program. Basic Chemistry: VII. Chlorine gas has a specific gravity of, Rocks/Screens/Comminutors & Grit Removal: d. organisms available to treat the wastes, Activated Sludge: b. toxic gases A pond that contains algae and requires the use of compressor is classified as, Waste Treatment Ponds: they prevent foaming in the annular space. Royceu.com is where you wanna go. Stabilization Ponds Operations Manual USEPA 430/9-77-012 Available through: Are you saying that the questions were easier on the actual test or harder? It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. .FIYolDqalszTnjjNfThfT{max-width:256px;white-space:normal;text-align:center} Basic Chemistry: Secondary Treatment: 0000004525 00000 n True. Student Resources. 2017 Wastewater Treatment Operator Formula/Conversion Table. Sludge Digestion & Solids Handling: A solids treatment thickening process method would be Always pour the acid into the water. Waste Treatment Ponds: Edwardsville, IL 62026-1075 (618) 650-2030 7. d. low operating costs, as they are east to run, Secondary Treatment: Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. Safety: I included the answers at the bottom of this page. -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. ._1aTW4bdYQHgSZJe7BF2-XV{display:-ms-grid;display:grid;-ms-grid-columns:auto auto 42px;grid-template-columns:auto auto 42px;column-gap:12px}._3b9utyKN3e_kzVZ5ngPqAu,._21RLQh5PvUhC6vOKoFeHUP{font-size:16px;font-weight:500;line-height:20px}._21RLQh5PvUhC6vOKoFeHUP:before{content:"";margin-right:4px;color:#46d160}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{display:inline-block;word-break:break-word}._22W-auD0n8kTKDVe0vWuyK{font-weight:500}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{font-size:12px;line-height:16px}._244EzVTQLL3kMNnB03VmxK{font-weight:400;color:var(--newCommunityTheme-metaText)}._2xkErp6B3LSS13jtzdNJzO{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;margin-top:13px;margin-bottom:2px}._2xkErp6B3LSS13jtzdNJzO ._22W-auD0n8kTKDVe0vWuyK{font-size:12px;font-weight:400;line-height:16px;margin-right:4px;margin-left:4px;color:var(--newCommunityTheme-actionIcon)}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y{border-radius:4px;box-sizing:border-box;height:21px;width:21px}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(2),._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(3){margin-left:-9px} Usually, what is the % accuracy of a graduated cylinder and burette? My tests are based off of ABC and Sacramento too. The best operation performance for an anaerobic digester is when it is feed c. applying chlorine f. white, Odor Control: b. concentration 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. Maintenance: The ABC formula sheet is provided, and you must bring a non-programmable calculator. Back to CCWP - Steps to becoming certified. c. aerobic pond High suspended solids and BOD are most probably associated with which type of organisms? Need to know criteria. This makes it harder to write exams. how much surface area of a rotating biological contactor is immerses in the wastewater? If a secondary clarifier has floatable debris in the effluent, what is the most likely cause? Sludge Digestion & Solids Handling: .s5ap8yh1b4ZfwxvHizW3f{color:var(--newCommunityTheme-metaText);padding-top:5px}.s5ap8yh1b4ZfwxvHizW3f._19JhaP1slDQqu2XgT3vVS0{color:#ea0027} There are 22 individual lesson modules included in this course. b. wet air oxidation Which one of the following types of wastewater ponds listed below is not classified like the other three? Outline Wastewater Solids Processing: (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 . ._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} Please select the correct language below. Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. a.secondary clarification b. bleach c. secondary sludge what % of the dissolved solids in wastewater are inorganics, Wastewater sources & characteristics: 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. Maintenance: 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? 0000000700 00000 n Wastewater Grade 2 t f Flashcards Quizlet. ABC Certification - Testing Services - Membership - Conference/Calendar - Certification Contacts - Continuing Education Review - About Us - Contact Us. Wastewater Solids Processing: that is they must test what they are supposed to test. The process that uses heat to selectively destroy undesirable organisms is called: Disinfection: Saprophytic microorganisms are also called: Sludge Digestion & Solids Handling: 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? 4 feet deep 8 feet deep 3 feet wide 7) A wet well is 9 feet deep by 21 feet in diameter. Wastewater sources & characteristics: Which one of the following is not a major solids treatment method? c. tapered aeration a. conventional modification You must sign in or sign up to start the quiz. 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. 10 PPM. We'll bring you back here when you are done. d. dissolved oxygen, Wastewater Solids Processing: What class of fire involves sodium and magnesium? The water quality parameters of pH and alkalinity and the presence of toxic substances can impact plant operation, because of their Effluent Disposal: A solids treatment stabilization process method would be: When the influent load to a wastewater treatment plant changes rapidly, the best test to control purposes is they prevent the cover from scraping the sidewall. I had the same problem with my ABC exam for my industrial license. Water and Wastewater Microbiology" c. has less flocculant than primary sludges Which property uniquely identifies a chemical element? How ofter should the drive bearings be greased in a rotating biological contactor unit? What is WEF? The following are approved as reference sources for the 2017 ABC standardized wastewater treatment operator exams. c. tapered aeration WasteWater Operator Certification, Grade 2, Wastewater Treatment Facilities: d. heavy metals, Activated Sludge: Please find links to the Certification Information Pages below for each state: Alabama - http://www.adem.state.al.us/programs/water/opcertification.cnt Alaska - c. vacuum filters ._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}
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