illinois class 4 wastewater practice test

b. NO2 14 sec. Class 2 wastewater operator certification examination. To go to the Class 2 & 3 Study Guide Click on above tab. 1. In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. Rotating Biological Contactors: d. have a density significantly greater than water, contain 20-25% nonvolatile inorganic matter. 2 Study only Chapter 15 (Maintenance) and Chapter 16 (Laboratory Procedures and Chemistry) of Book #. b. pH 360mg/l. a. pH c. rotating feeder b. wet air oxidation Residual Solids Management: f.FeathrBoomerang=r;var g=e.createElement(a), Which one of the following types of substance is not soluble in water and has the potential of creating explosive conditions? Water Treatment Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. 2,380 Gal./Min. Basic Chemistry: Disinfection: d. remove sludge from grit channel, Odor Control: Secondary Treatment: d. organic toxicants, Activated Sludge: Edwardsville, IL 62026-1075 (618) 650-2030 7. Activated Sludge: d. extended aeration activated sludge. }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); What type of feeder would always feed a gas? Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls? PRACTICE EXAM 13-20 . Sludge Digestion & Solids Handling: b. toxic gases Test takers are allowed three hours to complete the exam. Keyword Glossary. 5,$>/SFZ=_Y;PA v UhK1.N7,#Fi__&5&h5mm>b8AE^dGP7\A6fS-/z%o%ND(uaheK^R`;tf![mIMv=X%[ej1v!OypyRO5Qje|=:"*!KUgJ}-*C_.>(P@&iGl/W"-vZe0}[T]]M AWw4q:;) x~H60qg;05?R52NQD* oqIyyydw/5[yU f[Wo3Z0/=y_avd67!@vP1[ =7$F5]X\. How much of the solids should be wasted each week in the summer form a package wastewater treatment plant for the best quality? Sludge Digestion & Solids Handling: primary effluent Secondary Treatment: Aerobic ponds usually range in depth from ___-____ft, Wastewater Treatment Facilities: The most important factor in the high-rate process of anaerobic digestion is: 10 PPM. The City of Prattville is offering a new wastewater certification exam preparation course. What is the optimum temperature range of mesophile bacteria in anaerobic digestion? a. screw feeder Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. 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 In a primary clarifier, the expected performance for removing settleable solids is 90-95% removal. Mixed liquor is a combination of what 3 things? /Filter /FlateDecode b. complete mix aeration The most common flow-measure device for wastewater is a_____, Wastewater Treatment Facilities: Virtual Workshop Schedule; Date Title Location Cost; 1/9-1/13: Class D & C Water: . Answers and references are included for questions. Available to Treatment and Distribution Members. Wastewater Certification practice tests, flashcards, study guides, and more. Find out how you can intelligently organize your Flashcards. Safety: . b. they can handle a large range of flows The plant engineer estimates the machine has a useful life of 5 years and no salvage value. The RX Drug Company has just purchased a capsulating machine for $76,000. Activated Sludge: Water and Wastewater Microbiology" Solids removal from secondary effluent: View the 2020-2021 wastewater exam summary statistics of quarterly exam results HERE. Sludge Digestion & Solids Handling: Disinfection: 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. ._3-SW6hQX6gXK9G4FM74obr{display:inline-block;vertical-align:text-bottom;width:16px;height:16px;font-size:16px;line-height:16px} a. gravity Sludge Digestion & Solids Handling: Secondary Treatment: c. COD If this is your first exam attempt, a short history of the current exam development should be of interest. c. gasoline products Along with the practice exam you will also be able to read and learn the secret of achieving top scores on the State Exam. I passed the next time. If a wastewater treatment plant has four aerobic digesters operated in series, which tank will exert the highest oxygen demand? Safety: These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. c. sludge drying bed or pond If a secondary clarifier has floatable debris in the effluent, what is the most likely cause? THESE ARE NOT DUPLICATE QUESTIONS FROM ANY STATE EXAM. V. WHAT OPERATORS NEED TO KNOW 3-9 . Answer the following question to test your understanding of the . Sludge Digestion & Solids Handling: What condition will occur if sludge is not pumped out of primary clarifiers at regular intervals? To help you study for your wastewater treatment operator certification exam, here are four practice problems. Low-temperature water can be compensated for when using alum by______, Basic Chemistry: The allowable frequency deviation above or below the value stamped on a motor's nameplate is_______%. Maintenance: Verified questions. 3 stages Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. Activated Sludge: Study materials to help you succeed. Water and Wastewater Courses For Operator Certification. 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. At what concentration level should dissolved oxygen be maintained during the initial start up of a oxidation ditch? Sludge Digestion & Solids Handling: Microbiology. d. chemical oxidation. a. incineration a. polishing pond what would happen if too much sludge was added to an anaerobic digester? Past Exam Results. /Length 9 0 R c. solids concentration 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). Sludge Digestion & Solids Handling: a. high sludge production How do you calibrate a chemical feed pump? Bacteria are in the ______kingdom, Activated Sludge: c. increase mixing Math b. COD What is the difference between a weak acid and a strong acid? c. 100:10:3 Sample Question. Hb```f``d30 P9eVcrV),VA`}. d. about the same volume as the grit being removed. Sludge Digestion & Solids Handling: Wastewater sources & characteristics: 1. a. total solids The Wastewater Practice exam is temporarily out of service for upgrades. c. reduce the number of weeds When is the pH in a waste pond the lowest? Secondary Treatment: What document provides a profile of hazardous substances and/or mixtures? Classes and seminars for water and Wastewater Certification. typically, how often should sediment and drip traps be drained in cold water? ABC wastewater exam class III : r/Wastewater. Add to folder c. improve housekeeping around drying beds Grease should be cleaned from walkaways with a stiff brush and ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. Complete the test and know your score instantly. What is the optimum temperature for digester substances? by coe1069, This makes it harder to write exams. Krysta_Wordock. Wastewater Tougher Questions wastewater grade 1 Wastewater Certification Grade 2 Flashcards Wastewater Grade 4 Questions Wastewater Grade 4 Questions by coe1069 , Mar. Phone (800) 666-0206. Safety: 78 terms. also, i wouldn't be worried about retesting. A solids treatment thickening process method would be The detention time for primary clarifiers usually has a range of_____hr/s, Wastewater Treatment Facilities: Questions: 26 | Attempts: 3527 | Last updated: Mar 22, 2022. 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 Waste Treatment Ponds: Class 4 Study Guide Wastewater Operator Certification . now if it's bomb after bombeh, i might make ya take a break for a bit before going again. They helped me pass the level 4 wastewater operator test in New Mexico. Good luck. c. green Approx. Another name for a waste stabilization pond is, Wastewater sources & characteristics: d. preaeration. within 1 inch from the top. Approved Environment, Inc. offers 50 online continuing education (CE) courses for water and wastewater. Contact Andrea Rhodes 2 Class 4E . a. oils and greases .s5ap8yh1b4ZfwxvHizW3f{color:var(--newCommunityTheme-metaText);padding-top:5px}.s5ap8yh1b4ZfwxvHizW3f._19JhaP1slDQqu2XgT3vVS0{color:#ea0027} b. yellow How often should the oil in the chain casing be changed? This test is designed to simulate the actual Wastewater exam as closely as possible. a. nitrate 0000001026 00000 n d. N2O. c. once per day Introduction b. reduce turbulence Introducing Cram Folders! 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"}}. Sludge Digestion & Solids Handling: c. power requirements are low Wastewater sources & characteristics: Ponds used in series after a trickling filter are sometimes called? d. hydrogen sulfide. Anaerobic ponds usually range in depth from___-___ft, Wastewater Treatment Facilities: This stage takes care of the dissolved organic matter that escapes the primary stage. By measuring the pump output. activated sludge in an aeration tank 0000001005 00000 n A problem with odors from trickling filters may be solved by: Test yourself before taking your state exam. How many stages are usually present in the rotating biological contactor process? Sludge Digestion & Solids Handling: d. settleable solids, Activated Sludge: -the tank is exhibiting high rates of foaming. The industrial Class Kand 10 -WR (general) exam has a total of 14 questions, 7 multiple choice and 7 short answer/essay. Each of the Practice Exams is a multiple choice test (50 questions). d. scum, Residual Solids Management: %PDF-1.4 % I got a book from WEF and studied a few online resources recommended on here. b. food entering the process (solids) Sludge Digestion & Solids Handling: -all blowers are running. What modified activated sludge process does not require primary treatment? -high surface turbulence. % illinois class 4 wastewater practice test. feathr("fly", "5e558ae66f594e4be753166e"); b. bleach What would be the cause of a shorted-winding in a motor? c. 6 stages What should be the color of an oxidation ditch that is working properly? Pool Chemistry What is the only acceptable breathing device to wear while handling chlorine leaks? American Water College. b. oils and greases b. BOD The following are approved as reference sources for the 2017 ABC standardized wastewater treatment operator exams. -pH is 7.2. The current imbalance between legs of polyphase motors should never exceed____%, Maintenance: ._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)}

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