illinois class 4 wastewater practice test illinois class 4 wastewater practice test

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 3 Study only Chapter 16 (Laboratory Procedures and Chemistry) of Book #2. The exam questions were developed by experts in the wastewater field. a. nitric acid Which one of the following is the best type of valve to use to dampen a water hammer? What is the optimum temperature range of mesophile bacteria in anaerobic digestion? ._3bX7W3J0lU78fp7cayvNxx{max-width:208px;text-align:center} Activated Sludge: << 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. .Rd5g7JmL4Fdk-aZi1-U_V{transition:all .1s linear 0s}._2TMXtA984ePtHXMkOpHNQm{font-size:16px;font-weight:500;line-height:20px;margin-bottom:4px}.CneW1mCG4WJXxJbZl5tzH{border-top:1px solid var(--newRedditTheme-line);margin-top:16px;padding-top:16px}._11ARF4IQO4h3HeKPpPg0xb{transition:all .1s linear 0s;display:none;fill:var(--newCommunityTheme-button);height:16px;width:16px;vertical-align:middle;margin-bottom:2px;margin-left:4px;cursor:pointer}._1I3N-uBrbZH-ywcmCnwv_B:hover ._11ARF4IQO4h3HeKPpPg0xb{display:inline-block}._2IvhQwkgv_7K0Q3R0695Cs{border-radius:4px;border:1px solid var(--newCommunityTheme-line)}._2IvhQwkgv_7K0Q3R0695Cs:focus{outline:none}._1I3N-uBrbZH-ywcmCnwv_B{transition:all .1s linear 0s;border-radius:4px;border:1px solid var(--newCommunityTheme-line)}._1I3N-uBrbZH-ywcmCnwv_B:focus{outline:none}._1I3N-uBrbZH-ywcmCnwv_B.IeceazVNz_gGZfKXub0ak,._1I3N-uBrbZH-ywcmCnwv_B:hover{border:1px solid var(--newCommunityTheme-button)}._35hmSCjPO8OEezK36eUXpk._35hmSCjPO8OEezK36eUXpk._35hmSCjPO8OEezK36eUXpk{margin-top:25px;left:-9px}._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP,._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP:focus-within,._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP:hover{transition:all .1s linear 0s;border:none;padding:8px 8px 0}._25yWxLGH4C6j26OKFx8kD5{display:inline}._2YsVWIEj0doZMxreeY6iDG{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-metaText);display:-ms-flexbox;display:flex;padding:4px 6px}._1hFCAcL4_gkyWN0KM96zgg{color:var(--newCommunityTheme-button);margin-right:8px;margin-left:auto;color:var(--newCommunityTheme-errorText)}._1hFCAcL4_gkyWN0KM96zgg,._1dF0IdghIrnqkJiUxfswxd{font-size:12px;font-weight:700;line-height:16px;cursor:pointer;-ms-flex-item-align:end;align-self:flex-end;-webkit-user-select:none;-ms-user-select:none;user-select:none}._1dF0IdghIrnqkJiUxfswxd{color:var(--newCommunityTheme-button)}._3VGrhUu842I3acqBMCoSAq{font-weight:700;color:#ff4500;text-transform:uppercase;margin-right:4px}._3VGrhUu842I3acqBMCoSAq,.edyFgPHILhf5OLH2vk-tk{font-size:12px;line-height:16px}.edyFgPHILhf5OLH2vk-tk{font-weight:400;-ms-flex-preferred-size:100%;flex-basis:100%;margin-bottom:4px;color:var(--newCommunityTheme-metaText)}._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX{margin-top:6px}._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._3MAHaXXXXi9Xrmc_oMPTdP{margin-top:4px} d. preaeration. d. phosphate-free surfactant, Activated Sludge: Wastewater Grade 2 t/f. Study key C amp D IN gov. a. several times a day Disinfection: Wastewater Solids Processing: The major gas produced by aerobic decomposition is:_______. What is the solids treatment method that aerated the recycles water from the unit under pressure? Each question has been validated through a process of panel review. Virtual Workshop Schedule; Date Title Location Cost; 1/9-1/13: Class D & C Water: . Need-to-Know Criteria outline the content that will be covered on the 2017 ABC standardized exams. 100:2:1 0000000700 00000 n How many steps are the in coagulation? >> Bacteria are in the ______kingdom, Activated Sludge: Safety: a. O2 (+3) (22.60 g 21.03 g) (21.75 g 21.03 g), Click to share on LinkedIn (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email this to a friend (Opens in new window), Practice Question: Temperature Affect on Denitrification, Practice Question: Water System Evaluation. (3) reddish brown, Activated Sludge: Introducing Cram Folders! b. twice per day You must sign in or sign up to start the quiz. Which one of the following solids treatment methods can be classified as both stabilization and dewatering? b. toxic gases 50%. c. hypochlorite acid a. organic toxicants }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); Under which of the following conditions should sludge wasting normally be increased? How often should flame arresters be service on anaerobic digesters? Classes will Start September 7, 2021 and meet twice per week (Tues & Thurs) for six weeks, ending on October 14, 2021. 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? c. 6 stages 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. Residual Solids Management: -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. decomposition of a material caused by an outside electric current, A shock load of toxic wastes coming into a plant can be treated or controlled with, {"cdnAssetsUrl":"","site_dot_caption":"Cram.com","premium_user":false,"premium_set":false,"payreferer":"clone_set","payreferer_set_title":"Wastewater Grade 4 Questions","payreferer_url":"\/flashcards\/copy\/wastewater-grade-4-questions-4642202","isGuest":true,"ga_id":"UA-272909-1","facebook":{"clientId":"363499237066029","version":"v12.0","language":"en_US"}}. Activated Sludge: ._3-SW6hQX6gXK9G4FM74obr{display:inline-block;vertical-align:text-bottom;width:16px;height:16px;font-size:16px;line-height:16px} Maintenance: which type of centrifuge uses an other screw conveyor to move the solids to the discharge point? Verified questions. It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. Wastewater treatment systems protect public health and the environment only if they are being properly operated and maintained. Disinfection: The process that uses heat to selectively destroy undesirable organisms is called: Disinfection: I got a book from WEF and studied a few online resources recommended on here. 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. Wastewater Operator Certification Exam Schedule You must have a Letter of Admission to take the wastewater operator examination. Back to CCWP - Steps to becoming certified. ._2a172ppKObqWfRHr8eWBKV{-ms-flex-negative:0;flex-shrink:0;margin-right:8px}._39-woRduNuowN7G4JTW4I8{margin-top:12px}._136QdRzXkGKNtSQ-h1fUru{display:-ms-flexbox;display:flex;margin:8px 0;width:100%}.r51dfG6q3N-4exmkjHQg_{font-size:10px;font-weight:700;letter-spacing:.5px;line-height:12px;text-transform:uppercase;-ms-flex-pack:justify;justify-content:space-between;-ms-flex-align:center;align-items:center}.r51dfG6q3N-4exmkjHQg_,._2BnLYNBALzjH6p_ollJ-RF{display:-ms-flexbox;display:flex}._2BnLYNBALzjH6p_ollJ-RF{margin-left:auto}._1-25VxiIsZFVU88qFh-T8p{padding:0}._2nxyf8XcTi2UZsUInEAcPs._2nxyf8XcTi2UZsUInEAcPs{color:var(--newCommunityTheme-widgetColors-sidebarWidgetTextColor)} Illinois EPA certifies the technical competency of operators of municipal and industrial wastewater treatment/pretreatment facilities and also administers a voluntary certification . The detention time for primary clarifiers usually has a range of_____hr/s, Wastewater Treatment Facilities: They do list the books they pull info from. c. complex mix aeration 0000004525 00000 n Approx. Approx. What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? At what depth should samples be collected from a waste pond? All rights reserved. ._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)} Press J to jump to the feed. A solids treatment stabilization process method would be: a. total solids b. primary clarification when one liquid is dissolved in another liquid it is called. se&{1k">N0{5yur-;5Y5#[ !q& kH'U!p_,JjrDGM&tv.~Qsn,3u}L> b)>c^\!rA[6GOE;5N8&6\ciu2k no one is perfect and as long as you make progress, i'd be happy with the effort. What is the critical factor in any method to control the aeration tank? return sludge/raw wastewater, Activated Sludge: The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. Sludge Digestion & Solids Handling: How do you calibrate a chemical feed pump? Tightened down to a drip. Making water clean. ._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} What solids treatment method removes 100% of the pathogens, water, and organics (UV is not the answer), Residual Solids Management: Smith, Michael Abbott. Typically, what average percent of total solids in domestic wastewater, both dissolved and suspended, are inorganics? Surface loading and detention time is a clarifier are directly related to: Sedimentation and Flotation: What class of fire involves sodium and magnesium? Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. d. heavy metals, Activated Sludge: Sedimentation and Flotation: If the sludge drying beds had a decaying odor, what would be the most likely solution? A problem with odors from trickling filters may be solved by: The RX Drug Company has just purchased a capsulating machine for $76,000. The demo is available to both certification programs and trainers to help prepare individuals for taking a computerized exam. d. pure oxygen, Activated Sludge: What is the only acceptable breathing device to wear while handling chlorine leaks? 2019 Association of Boards of Certification. USE OF CALCULATORS ON THE EXAM 10 . When is the pH in a waste pond the highest? Another name for slime growth is, Trickling Filters: Determine the percentage volatile suspended solids of a sample given the following data. + Waste Treatment Ponds: This class addresses all the test topics and provides the operators with all the study material necessary to prepare for the exam. If the level falls in 10.3 min. What term describes the condition that exists when the source of the water supply is below the centerline of the pump? 10 PPM. b. BOD Sample Question. 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? 3 stages d. activated sludge. b. concentration I found a lot of the 3 questions were around anaerobic digestion so I focused a lot on that and it helped me pass. b. phosphoric acid 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. the Illinois EPA requires that routine bacteria samples to be taken and analyzed how often. Activated Sludge: To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? d. temperature. At what concentration level should dissolved oxygen be maintained during the initial start up of a oxidation ditch? The specific gravity standard for gases is_______, Basic Chemistry: Digestion is working properly if the volatile solids content of the raw sludge has been reduced by ___-___%, Sludge Digestion & Solids Handling: a. pH Another name for a waste stabilization pond is, Wastewater sources & characteristics: They all produce high volumes of wastewater. . 58 0 obj << /Linearized 1 /O 60 /H [ 700 326 ] /L 100420 /E 48024 /N 15 /T 99142 >> endobj xref 58 13 0000000016 00000 n 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. a. primary clarifier Microbiology. What about the removal of suspended solids? Disinfection: STUDY STRATEGY 10-13 . Sorry, your blog cannot share posts by email. a. screw feeder No stress. Low-temperature water can be compensated for when using alum by______, Basic Chemistry: Operators should use special precautions when placing anaerobically digested sludge on a drying bed because sludge contains what gas? What do roller guides provide in an anaerobic digester? d. positive displacement. The passing grade is 70%. All rights reserved. Statistics from 2019 HERE. What type of feeder would always feed a gas? Bacteria in an anaerobic digester will effectively utilize: directs raw and digested sludge mixture to a heating area. c. about half the volume as the grit being removed How often should the motor bearings be greased in a rotating biological contactor unit? This makes it harder to write exams. What document provides a profile of hazardous substances and/or mixtures? @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} Water and Wastewater Microbiology" Every test is created from a pool of possible water distribution questions. Which organism wold most probably be associated with moderate sludge age and effluent water quality, Wastewater sources & characteristics: ._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} + During the exam, . 0000002075 00000 n These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. Answers and references are included for questions. ABC's website provides Need to Know Criteria for exams. What do skirts provide in anaerobic digesters? d. scum, Residual Solids Management: what type of waste solids would most likely be sent to a rendering reclamation? Activated Sludge: ABC wastewater exam class III : r/Wastewater. Wastewater sources & characteristics: what would happen if too much sludge was added to an anaerobic digester? a. airstream treatment Need to know criteria. (hint: the elements social CHAPTER THREE Class 2 Wastewater Test Questions fullexams com. b. extended aeration activate sludge 0000001026 00000 n Discussion of water and wastewater treatment processes and technology. You have to finish following quiz, to start this quiz: When organic wastes are discharged to receiving water, oxygen is depleted by. My score on the exam was a B+ for the level one, my score for other exams have been much better. High suspended solids and BOD are most probably associated with which type of organisms? Add to folder Which one of the following is not a major solids treatment method? One solids treatment thickening process would be: Wastewater Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. Flashcards. Anaerobic ponds usually range in depth from___-___ft, Wastewater Treatment Facilities: Where would toxicants least likely cause a problem for a wastewater treatment plant? c. composting d. flood the filter. -the tank is exhibiting high rates of foaming. a bacteria sample must be mailed so that the lab analysis can begin no later than. b. filter presses Are you saying that the questions were easier on the actual test or harder? e. black How often should the oil in the chain casing be changed? Safety: Stabilization Ponds Operations Manual USEPA 430/9-77-012 Available through: Practice Exam #1 Practice Exam #1 - Answers Practice Exam #2 - Answers Practice Exam #2 Practice Exam #1 - Answers d. stabilization, Wastewater Solids Processing: d. settleable solids, Activated Sludge: My tests are based off of ABC and Sacramento too. I also recommend these practice test to my coworkers. d. once every other day, Sludge Digestion & Solids Handling: Wastewater Laboratory Analyst Certification Exam Practice. d. acids and alkalies, Activated Sludge: The last stage is the treatment of RMW. Typically, an anaerobic digester will produce about 30%-35% by volume of which gas? Its a 2 year old post and have then since passed my 3 and ready to take my 4 next year. Sludge Digestion & Solids Handling: temperature favoring the growth of a particular species of algae. Student Resources. The industrial Class Kand 10 -WR (general) exam has a total of 14 questions, 7 multiple choice and 7 short answer/essay. -all blowers are running. b. grit Introducing Cram Folders! What type of pond would receive wastewater form a secondary treatment system? The most common imbalance in the operation of an anaerobic sludge digester is, Sludge Digestion & Solids Handling: a.secondary clarification 78 terms. c. COD Safety: d. hydrogen sulfide. c. sludge drying bed or pond too much lime has been added, reducing gas production. a. oils and greases 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______. Along with the practice exam you will also be able to read and learn the secret of achieving top scores on the State Exam. worked for me on the class IV. Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. Non -sewage: This is discharged by manufacturing processes and commercial enterprises. a. BOD (a) Where does the fish appear to be? typically, how often should sediment and drip traps be drained in cold water? 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: Rotating Biological Contactors: Which one of the following parameters can be preserved for later lab analysis? Wastewater Treatment Operator Certification Exam - 4 Practice Problems Water and Wastewater Courses 6.18K subscribers Subscribe 86K views 5 years ago For practice exams:. 2014. Activated Sludge: 0000001005 00000 n When an electrolyte is dissolved in water to form an ion, the ion is said to be________, Basic Chemistry: 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 Rotating Biological Contactors: Basic Chemistry: .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)} d. COD, Trickling Filters: Solids removal from secondary effluent: The best operation performance for an anaerobic digester is when it is feed ._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} .s5ap8yh1b4ZfwxvHizW3f{color:var(--newCommunityTheme-metaText);padding-top:5px}.s5ap8yh1b4ZfwxvHizW3f._19JhaP1slDQqu2XgT3vVS0{color:#ea0027} PRACTICE EXAM 13-20 . c. secondary sludge Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. How far out from the water's edge should waste pond samples be collected? c. volatile-acid-alkalinity ratio The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. 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. d. flooding the filter, Trickling Filters: Math questions include the method to solve. Sedimentation and Flotation: 1. c. gasoline products Which of the following groups of microorganisms are found in a good settling mixed liquor? The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. Please upgrade to Cram Premium to create hundreds of folders! Which one the following types of substances is corrosive and may interfere with biological treatment Residual Solids Management: Wastewater Works Operator Class 4 Wastewater Treatment Operator Class I - 2017 Edition Wastewater Treatment Wastewater Treatment, Collection, Industrial . d. plunger feeder, Solids removal from secondary effluent: Disinfection: Sludge Digestion & Solids Handling: c. green a. screw feeder d. fats. These practice tests are a great study tool to add to your Water Distribution Operator Exam studying process. We'll bring you back here when you are done. ._9ZuQyDXhFth1qKJF4KNm8{padding:12px 12px 40px}._2iNJX36LR2tMHx_unzEkVM,._1JmnMJclrTwTPpAip5U_Hm{font-size:16px;font-weight:500;line-height:20px;color:var(--newCommunityTheme-bodyText);margin-bottom:40px;padding-top:4px;text-align:left;margin-right:28px}._2iNJX36LR2tMHx_unzEkVM{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex}._2iNJX36LR2tMHx_unzEkVM ._24r4TaTKqNLBGA3VgswFrN{margin-left:6px}._306gA2lxjCHX44ssikUp3O{margin-bottom:32px}._1Omf6afKRpv3RKNCWjIyJ4{font-size:18px;font-weight:500;line-height:22px;border-bottom:2px solid var(--newCommunityTheme-line);color:var(--newCommunityTheme-bodyText);margin-bottom:8px;padding-bottom:8px}._2Ss7VGMX-UPKt9NhFRtgTz{margin-bottom:24px}._3vWu4F9B4X4Yc-Gm86-FMP{border-bottom:1px solid var(--newCommunityTheme-line);margin-bottom:8px;padding-bottom:2px}._3vWu4F9B4X4Yc-Gm86-FMP:last-of-type{border-bottom-width:0}._2qAEe8HGjtHsuKsHqNCa9u{font-size:14px;font-weight:500;line-height:18px;color:var(--newCommunityTheme-bodyText);padding-bottom:8px;padding-top:8px}.c5RWd-O3CYE-XSLdTyjtI{padding:8px 0}._3whORKuQps-WQpSceAyHuF{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-actionIcon);margin-bottom:8px}._1Qk-ka6_CJz1fU3OUfeznu{margin-bottom:8px}._3ds8Wk2l32hr3hLddQshhG{font-weight:500}._1h0r6vtgOzgWtu-GNBO6Yb,._3ds8Wk2l32hr3hLddQshhG{font-size:12px;line-height:16px;color:var(--newCommunityTheme-actionIcon)}._1h0r6vtgOzgWtu-GNBO6Yb{font-weight:400}.horIoLCod23xkzt7MmTpC{font-size:12px;font-weight:400;line-height:16px;color:#ea0027}._33Iw1wpNZ-uhC05tWsB9xi{margin-top:24px}._2M7LQbQxH40ingJ9h9RslL{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-actionIcon);margin-bottom:8px} Wastewater Solids Processing: Primary treatment is not required in which modified activated sludge process? Outline What is the ultimate measure of effective chlorination? By the way, please keep in mind these problems are for anyone who is pursuing the first two certification levels. They helped me pass the level 4 wastewater operator test in New Mexico. -high surface turbulence. What organism would most likely enhance the penetration of oxygen into the activated sludge, Rocks/Screens/Comminutors & Grit Removal: Secondary Treatment: 10 7. A wastewater [plant has a train of three rotating biological contactor (RBC) units. 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 The responses provided up to the point of interruption will be 50 terms. that is they must test what they are supposed to test. ._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}