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b. vibrating trough . Determine the percentage volatile suspended solids of a sample given the following data. This course compiles 14 individual lessons into one course to make 16 hours. Please take this quiz and check how well do you know about CA water treatment plant operator! acid fermentaters would predominate and pH would decrease, Sludge Digestion & Solids Handling: c. trisodium phosphate Sludge Digestion & Solids Handling: the books are a tad overkill for the ABC tests. !function(f,e,a,t,h,r){if(!f[h]){r=f[h]=function(){r.invoke? ._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)} My score on the exam was a B+ for the level one, my score for other exams have been much better. How far out from the water's edge should waste pond samples be collected? c. temperature .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} Non -sewage: This is discharged by manufacturing processes and commercial enterprises. My tests are based off of ABC and Sacramento too. d. temperature. Pass your test the first time! a. organic toxicants Wastewater Collections Grade 2 Practice Test California Wastewater Collections Grade 2 Practice Test California Water and Wastewater Courses For Operator Certification. d. plunger feeder, Solids removal from secondary effluent: Stabilization Ponds Operations Manual USEPA 430/9-77-012 Available through: e. black Virtual Workshop Schedule; Date Title Location Cost; 1/9-1/13: Class D & C Water: . Class 2 wastewater operator certification examination. The allowable voltage above or below the value stamped on a motor's nameplates is_____%, Maintenance: Math If an activated sludge plant is hit with a high organic load, what will most like occur in the aeration tank? d. brown What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? How often should flame arresters be service on anaerobic digesters? 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. 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. 0000001180 00000 n c. aerobic pond VI. c. a biological process Virtual Water workshops meet from 1:00 p.m. to 4:00 p.m. The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. c. rotating feeder a. nitrate ._3K2ydhts9_ES4s9UpcXqBi{display:block;padding:0 16px;width:100%} d. temperature. -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. What modified activated sludge process does not require primary treatment? What is the proper emergency chlorine kit for a 1-ton chlorine cylinder? a. heat treatment 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? ._1LHxa-yaHJwrPK8kuyv_Y4{width:100%}._1LHxa-yaHJwrPK8kuyv_Y4:hover ._31L3r0EWsU0weoMZvEJcUA{display:none}._1LHxa-yaHJwrPK8kuyv_Y4 ._31L3r0EWsU0weoMZvEJcUA,._1LHxa-yaHJwrPK8kuyv_Y4:hover ._11Zy7Yp4S1ZArNqhUQ0jZW{display:block}._1LHxa-yaHJwrPK8kuyv_Y4 ._11Zy7Yp4S1ZArNqhUQ0jZW{display:none} By the way, please keep in mind these problems are for anyone who is pursuing the first two certification levels. g.async=!0,g.src=t,h.appendChild(g)} a. BOD Sedimentation and Flotation: Odor Control: c. cyanides Phone (800) 666-0206. Basic Chemistry: Calculate the BOD given the information: Initial DO: 8.3. If power to a Test Center is temporarily interrupted during an administration, your examination will be restarted. c/ dewatering True. c. solids concentration To go to the Class 2 & 3 Study Guide Click on above tab. Class 2 Wastewater Test Questions fullexams com. Krysta_Wordock. 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 Anaerobic ponds usually range in depth from___-___ft, Wastewater Treatment Facilities: c. complex mix aeration 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 8 0 obj Secondary Treatment: d. 8 stages, Rotating Biological Contactors: ._1sDtEhccxFpHDn2RUhxmSq{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:18px;display:-ms-flexbox;display:flex;-ms-flex-flow:row nowrap;flex-flow:row nowrap}._1d4NeAxWOiy0JPz7aXRI64{color:var(--newCommunityTheme-metaText)}.icon._3tMM22A0evCEmrIk-8z4zO{margin:-2px 8px 0 0} (b) What is the magnification of the image of the fish? c. power requirements are low a. detergent b. extended aeration activate sludge Class 4 Wastewater IL 4.0 (1 review) Term 1 / 88 What do you do if a sewer line is plugged? The Examination Request for Wastewater Operator Certification must be submitted for a Letter of Admission to be issued. .c_dVyWK3BXRxSN3ULLJ_t{border-radius:4px 4px 0 0;height:34px;left:0;position:absolute;right:0;top:0}._1OQL3FCA9BfgI57ghHHgV3{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;-ms-flex-pack:start;justify-content:flex-start;margin-top:32px}._1OQL3FCA9BfgI57ghHHgV3 ._33jgwegeMTJ-FJaaHMeOjV{border-radius:9001px;height:32px;width:32px}._1OQL3FCA9BfgI57ghHHgV3 ._1wQQNkVR4qNpQCzA19X4B6{height:16px;margin-left:8px;width:200px}._39IvqNe6cqNVXcMFxFWFxx{display:-ms-flexbox;display:flex;margin:12px 0}._39IvqNe6cqNVXcMFxFWFxx ._29TSdL_ZMpyzfQ_bfdcBSc{-ms-flex:1;flex:1}._39IvqNe6cqNVXcMFxFWFxx .JEV9fXVlt_7DgH-zLepBH{height:18px;width:50px}._39IvqNe6cqNVXcMFxFWFxx ._3YCOmnWpGeRBW_Psd5WMPR{height:12px;margin-top:4px;width:60px}._2iO5zt81CSiYhWRF9WylyN{height:18px;margin-bottom:4px}._2iO5zt81CSiYhWRF9WylyN._2E9u5XvlGwlpnzki78vasG{width:230px}._2iO5zt81CSiYhWRF9WylyN.fDElwzn43eJToKzSCkejE{width:100%}._2iO5zt81CSiYhWRF9WylyN._2kNB7LAYYqYdyS85f8pqfi{width:250px}._2iO5zt81CSiYhWRF9WylyN._1XmngqAPKZO_1lDBwcQrR7{width:120px}._3XbVvl-zJDbcDeEdSgxV4_{border-radius:4px;height:32px;margin-top:16px;width:100%}._2hgXdc8jVQaXYAXvnqEyED{animation:_3XkHjK4wMgxtjzC1TvoXrb 1.5s ease infinite;background:linear-gradient(90deg,var(--newCommunityTheme-field),var(--newCommunityTheme-inactive),var(--newCommunityTheme-field));background-size:200%}._1KWSZXqSM_BLhBzkPyJFGR{background-color:var(--newCommunityTheme-widgetColors-sidebarWidgetBackgroundColor);border-radius:4px;padding:12px;position:relative;width:auto} What is the odor detection limit of chlorine gas? d. fats. Wastewater Operator Certification Exam Schedule You must have a Letter of Admission to take the wastewater operator examination. You must sign in or sign up to start the quiz. Wastewater Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. 2019 Association of Boards of Certification. 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 Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. << All rights reserved. The ABC formula sheet is provided, and you must bring a non-programmable calculator. 2017 Wastewater Treatment Operator Formula/Conversion Table The next Stage of treatment is the Secondary Treatment, or Biological. Wastewater sources & characteristics: negative pole of an electrolytic cell or system, Unless water cooled, the operating temperature of a mechanical seal in a pump should never exceed. Sludge Digestion & Solids Handling: se&{1k">N0{5yur-;5Y5#[ !q& kH'U!p_,JjrDGM&tv.~Qsn,3u}L> b)>c^\!rA[6GOE;5N8&6\ciu2k Equilibrium system and stress factors c. sludge drying bed or pond Test yourself before taking your state exam. b. filter presses d. incineration a. reducing the number if weeds Rotating Biological Contactors: >> Collection Class 3; Collection Class 4 - most advanced level Small wastewater system operators oversee wastewater systems serving fewer than 3,300 persons. No stress. When an electrolyte is dissolved in water to form an ion, the ion is said to be________, Basic Chemistry: Secondary Treatment: ._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} If the head works in a wastewater treatment plant had an H2S odor, what would be the most likely solution? worked for me on the class IV. that is they must test what they are supposed to test. 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? c. grit Statistics from 2019 HERE. a. total solids Create an account to follow your favorite communities and start taking part in conversations. b. an anaerobic digester DO CA Grade 4 amp 5 Wastewater Math Part 2 of 3 YouTube. Wastewater Tougher Questions wastewater grade 1 Wastewater Certification Grade 2 Flashcards Wastewater Grade 4 Questions Wastewater Grade 4 Questions by coe1069 , Mar. 0000001005 00000 n }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); 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. STUDY STRATEGY 10-13 . Illinois EPA certifies the technical competency of . Wastewater sources & characteristics: The responses provided up to the point of interruption will be b)Determine that all the plant equipment is operational. typically, how often should sediment and drip traps be drained in cold water? Student Resources. Activated Sludge Module 1 . Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. a. BOD b. complete mix aeration If a wastewater treatment plant has four aerobic digesters operated in series, which tank will exert the highest oxygen demand? Maintenance: + Which type of feeder would most likely feed clear solutions? 10 7. Disinfection: It makes it a lot more challenging when, say, your system is just lagoons and they are asking questions about advanced processes. c. orifice ISAWWA offers a full range of online classes, all approved by the IEPA with RTC hours. b. NO2 a. heavy metals the Illinois EPA requires that routine bacteria samples to be taken and analyzed how often. (Time of day), Waste Treatment Ponds: a)Clean settling basins and dispose of sludge. Disinfection: 0000000700 00000 n What do ballast blocks provide in anaerobic digesters? 0000000607 00000 n The Wastewater Practice exam is temporarily out of service for upgrades. Typically, what average percent of total solids in domestic wastewater, both dissolved and suspended, are inorganics? Wastewater Operator Certification Exam Book List. Basic Chemistry: Activated Sludge: Pre-Lab 2,380 Gal./Min. Rotating Biological Contactors: Sedimentation and Flotation: I passed the ABC class 3 and didnt use the Sacramento books at all. The passing grade is 70%. Edwardsville, Illinois 62026-1075 (618) 650-2030 . 2,135 Gal./Min. Wastewater Solids Processing: What would be the most probable cause for gas leaking through the pressure relief valve on the digester's roof? 3 Study only Chapter 16 (Laboratory Procedures and Chemistry) of Book #2. illinois class 4 wastewater practice test. DERFSTA. Regarding waste pond lab sampling, which parameter is sampled at the influent of the pond? 78 terms. d. phosphorous, Activated Sludge: (Time of day), Waste Treatment Ponds: 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. Disinfection: Influent BOD testing will allow monitoring of F/M ratio and plant organic loading. 4 a. chlorine VII. b. CO2 Demo: Experience ABC's Computerized Exams. Rainwater runoff is also considered as w Name ____________________________________ Because water samples sometimes require repeat or backup tests, the amount of sample that should collected for samples that are preserved and transported for any particular analysis should be at least____times the amount for those analysis, Effluent Disposal: 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 0000045118 00000 n d. hydrochloric acid. Waste Treatment Ponds: THESE ARE NOT DUPLICATE QUESTIONS FROM ANY STATE EXAM. that is they must test what they are supposed to test. b. oils and greases Sorry, your blog cannot share posts by email. Stabilization Ponds Operations Manual USEPA 430/9-77-012 Secondary Treatment: $32 c. $36 d. $42.50 Answer the following question to test your understanding of the . d. mixing, Sludge Digestion & Solids Handling: d. plunger feeder, Solids removal from secondary effluent: Which one of the following solids treatment methods can be classified as both stabilization and dewatering? 50 terms. 14 sec. Disinfection: In general, secondary sludges: Rotating biological contactors have all the following advantages except: -pH is 7.2. Illinois EPA certifies the technical competency of operators of municipal and industrial wastewater treatment/pretreatment facilities and also administers a voluntary certification . b. trickling filter Please sign in to share these flashcards. What do roller guides provide in an anaerobic digester? Safety: they prevent foaming in the annular space. d. organic toxicants, Activated Sludge: Classes will Start September 7, 2021 and meet twice per week (Tues & Thurs) for six weeks, ending on October 14, 2021. a. gravity c. lime stabilization 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"}}. Effluent Disposal: also, i wouldn't be worried about retesting. What solid treatment method first uses chemicals as it conditions the solids and then later in the process, "throws" the solids out of the way is called_______, Wastewater Solids Processing: Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. + c. sulfuric acid Each question has been validated through a process of panel review. 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. Perfect for water distribution operators taking their D-1, D-2, D3 Operator exams (DI-DIII.) Activated Sludge: Press question mark to learn the rest of the keyboard shortcuts, https://royceu.com/Public/PracticeQuizes.aspx. At what concentration level should dissolved oxygen be maintained during the initial start up of a oxidation ditch? How many stages are usually present in the rotating biological contactor process? b. vacuum filters Basic Chemistry: Secondary Treatment: Rotating Biological Contactors: All rights reserved. IX. r.invoke.apply(r,arguments):r.queue.push(arguments)}, When inserting glass tubing into a rubber hose or stopper, never use____for lubrication, Basic Chemistry: c. gasoline products Sludge Digestion & Solids Handling: ._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)} TABLE OF CONTENTS . b. hypochlorous acid Sludge Digestion & Solids Handling: Wastewater Certification Information By State October 30, 2018 We have many people contact us regarding Wastewater Operator Certification in many states. Wastewater Works Operator Class 4 Wastewater Treatment Operator Class I - 2017 Edition Wastewater Treatment Wastewater Treatment, Collection, Industrial . Campus Box 1075 - Southern Illinois Univ. a. incineration c)Replenish chemical stock. c. acids and alkalies Wide, and 14 ft. . Wastewater treatment systems protect public health and the environment only if they are being properly operated and maintained. Approx. What is the difference between a weak acid and a strong acid? Certification Exam Prep; Continuing Education; Certificate Program; Utility Management Surface loading and detention time is a clarifier are directly related to: Sedimentation and Flotation: This 5 question practice test is a demo of the full, 100 question, practice test available to members. Best of luck you! b. primary clarification a. Rotating biological contactors are adversely affected by temperatures below_____degree F. Rotating Biological Contactors: 4 stages r.queue=[],r.loaded=1*new Date,r.version="1.0.0", Rotating Biological Contactors: WasteWater Operator Certification, Grade 2, Wastewater Treatment Facilities: What organism would most likely enhance the penetration of oxygen into the activated sludge, Rocks/Screens/Comminutors & Grit Removal: 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. 0000002114 00000 n b. grit b. toxic gases Answers and references are included for questions. d. 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