illinois class 4 wastewater practice test
-illinois class 4 wastewater practice test
a. incinerated material c. has less flocculant than primary sludges 0000001026 00000 n How many stages are usually present in the rotating biological contactor process? 0000045118 00000 n d. phosphorous, Activated Sludge: What organism would most likely enhance the penetration of oxygen into the activated sludge, Rocks/Screens/Comminutors & Grit Removal: ._3oeM4kc-2-4z-A0RTQLg0I{display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between} 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\. a) 346.2 b) 2229 Off GPM 7207 c) 3.23 33.4 in. Sludge Digestion & Solids Handling: This test is designed to simulate the actual Wastewater exam as closely as possible. d. hydrochloric acid. Stabilization Ponds Operations Manual USEPA 430/9-77-012 If an activated sludge plant is hit with a high organic load, what will most like occur in the aeration tank? a. conventional modification ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? Pass your test the first time! Phone (800) 666-0206. d. activated sludge, Wastewater Treatment Facilities: And what online studies did you use? H2SO4. (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. /Filter /FlateDecode d. hydrogen sulfide. In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. Certification testing is offered as a computer-based test. Residual Solids Management: Following the activated sludge what process modification is very sensitive to bulking? Sorry, this post was deleted by the person who originally posted it. IEPA Frequently Asked Questions - http://www.epa.illinois.gov/topics/drinking-water/operator-certification/faq/index 2022 Water Operator Exam Schedule Still have questions not answered here?? d. organic toxicants, Activated Sludge: Note: The Grade 7 Upgrade Application must be mailed to the Commonwealth of Mass, as shown on the form. a. total solids a. hair What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? b. gravity Water Environment Federation Bookstore. What can be done to the trickling filter to solve high effluent suspended solids? Sorry, your blog cannot share posts by email. . This solids treatment method maximizes the reduction of moisture and solids is called_______, Wastewater Solids Processing: Available to Treatment and Distribution Members. Which one of the following methods would not be used to feed DRY chemicals? d. acids and alkalies, Activated Sludge: -all blowers are running. Which one of the following ius the least important in the successful operation of an activated sludge plant? Rotating biological contactors are adversely affected by temperatures below_____degree F. Rotating Biological Contactors: If the primary sedimentation unit to a wastewater treatment plant has an H2S odor, what would be the most likely solution? So every time you practice you will take a unique test. Wastewater Operator Certification Exam Schedule You must have a Letter of Admission to take the wastewater operator examination. WEF/ABC/C 2 EP Wastewater Operators' Guide to Preparing for the Certification Examination. c. flammable oils 0000000607 00000 n 3 stages The Association Certification of Boards doesnt take all of their questions from one book, there are usually several books that they take information from and then compile an exam. a. heat treatment %PDF-1.4 % a.complete mix aeration WasteWater Operator Certification, Grade 2, Wastewater Treatment Facilities: /*# 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. Activated Sludge: Mar. Wastewater Certification practice tests, flashcards, study guides, and more. During the exam, . The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. Wastewater Collections Grade 2 Practice Test California Wastewater Collections Grade 2 Practice Test California Water and Wastewater Courses For Operator Certification. TABLE OF CONTENTS . anatomy and physiology. Wastewater Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. d. mixing, Sludge Digestion & Solids Handling: Was it a 3 in collections or treatment? Approved Training Provider - Indiana, Illinois, Ohio, Delaware, Alabama, Maryland, Idaho, North Carolina, South Carolina, Virginia, West Virginia, Tennessee and Kentucky. a.secondary clarification VI. Which one of the following solids treatment methods can be classified as both stabilization and dewatering? a. no organics PRACTICE EXAM 13-20 . also, i wouldn't be worried about retesting. c. vacuum filters Sludge Digestion & Solids Handling: The allowable frequency deviation above or below the value stamped on a motor's nameplate is_______%. d. chemical oxidation, Wastewater Solids Processing: a. organic toxicants Upgrade to Combined Grade 7 - Massachusetts Wastewater Treatment Plant Operator. (hint: the elements social CHAPTER THREE 14 sec. 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 Maintenance: c. about half the volume as the grit being removed c. aerobic pond Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. d. activated sludge. a. contain 20-25% nonvolatile inorganic matter Virtual Workshop Schedule; Date Title Location Cost; 1/9-1/13: Class D & C Water: . The color of the bio-film on a rotating biological contactor that has high sulfur concentrations would appear, Secondary Treatment: The ABC formula sheet is provided, and you must bring a non-programmable calculator. A solids treatment thickening process method would be Illinois EPA certifies the technical competency of . 0000002075 00000 n -high surface turbulence. Waste Treatment Ponds: b. flotation 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 ._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)} name the laboratory glassware that can be used to heat liquids in an open flame? What is the optimum temperature range of mesophile bacteria in anaerobic digestion? Which one of the following best defines the term stray-current corrosion? Humus sludge is biomass from, Trickling Filters: 2,323 Gal./Min. -all blowers are running. Sludge Digestion & Solids Handling: The plant engineer estimates the machine has a useful life of 5 years and no salvage value. Sludge Digestion & Solids Handling: To go to the Class 2 & 3 Study Guide Click on above tab. d. chemical addition with counter masking or masking agents, chemical addition with counter masking or masking agents. c. hypochlorite acid feathr("fly", "5e558ae66f594e4be753166e"); Typically what average percent of total solids in a domestic wastewater, both dissolved and suspended, are inorganics. Wastewater Laboratory Analyst Certification Exam Practice. ISAWWA offers a full range of online classes, all approved by the IEPA with RTC hours. d. preaeration. c. COD 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). 1 Study only Chapters 1 and 8 (Introduction to Wastewater Treatment, 1.1 through 1.9 and 8.3 through 8.5) of Book #1. . -pH is 7.2. What do ballast blocks provide in anaerobic digesters? Perfect for water distribution operators taking their D-1, D-2, D3 Operator exams (DI-DIII.) Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. ._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)} a. chlorine Approximately what % of the dissolved solids in wastewater are organics, Wastewater sources & characteristics: 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. How often should flame arresters be service on anaerobic digesters? Digestion is working properly if the volatile solids content of the raw sludge has been reduced by ___-___%, Sludge Digestion & Solids Handling: Hence you can not start it again. If the head works in a wastewater treatment plant had an H2S odor, what would be the most likely solution? Sample questions are provided for Classes I, II, III, and IV wastewater operator certification exams, so you can study the questions that are specific to your grade level. Which organism would most probably be associated with high suspended solids and biochemical oxygen demand (BOD). This course includes the following lessons: System Design and Layout, Distribution Piping, Water Storage, Fire Hydrants and Valves, Water Meters, Pumps and Motors, Cross-Connection Control, Disinfection, Corrosion Control, Water Quality, Water Main Installation and Backfilling, Safety, Regulations, Hydraulics 23BIbVc^(2el!jO1gXFi!20IIew"-bRZ\Z 1mnH35_l^tE+SedZIinbz0FQ&|Y1la@YuGfrg|I-'6s @LYiFag6Td[l\* -high surface turbulence. d. plunger feeder, Solids removal from secondary effluent: a. gravity Test takers are allowed three hours to complete the exam. USE OF CALCULATORS ON THE EXAM 10 . Calculate the BOD given the information: Initial DO: 8.3. The exam consists of 100 multiple choice questions. True. The panel is comprised of 8 experts who ._2Gt13AX94UlLxkluAMsZqP{background-position:50%;background-repeat:no-repeat;background-size:contain;position:relative;display:inline-block} a. airstream treatment Microorganisms that are methane fermenters will only produce in the pH range of, Sludge Digestion & Solids Handling: b. yellow b)Determine that all the plant equipment is operational. 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. ._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} d. scum, Residual Solids Management: b. stream b. b. correct faulty plant operation 100:5:1 In a primary clarifier, the expected performance for removing settleable solids is 90-95% removal. What does the wastewater industry call sludge that is only partially digested? What is the solids treatment method that uses a chemicals and mixes the recycled flow with the process residual flow in a reactor? They helped me pass the level 4 wastewater operator test in New Mexico. Activated Sludge Module 3 . Keyword Glossary. Residual Solids Management: what % of the dissolved solids in wastewater are inorganics, Wastewater sources & characteristics: a)Clean settling basins and dispose of sludge. _____? a. high sludge production Which organism wold most probably be associated with moderate sludge age and effluent water quality, Wastewater sources & characteristics: Rotating Biological Contactors: b. hypochlorous acid Where would toxicants least likely cause a problem for a wastewater treatment plant? Southern Illinois University Edwardsville is authorized to operate as a postsecondary educational institution by the Illinois . Click the card to flip Definition 1 / 88 Look for a manhole with reduced or no flow when the manhole upstream is flowing full Click the card to flip Flashcards Learn Match Created by cshe1736 Terms in this set (88) THESE ARE TO HELP YOU LEARN AND APPLY THE CONCEPTS THAT WILL HELP YOU PASS A STATE EXAM. b. grit which one of the following wastewater solids would most likely never end up on a dedicated land disposal (DLD) site? Rotating Biological Contactors: a. several times a day c. improve housekeeping around drying beds -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. the clarifier is hydraulically overloaded, Effluent Disposal: Stabilization Ponds Operations Manual USEPA 430/9-77-012 Available through: Each of the Practice Exams is a multiple choice test (50 questions). Loading Rates. Which one of the following parameters can be preserved for later lab analysis? b. contact stabilization This class addresses all the test topics and provides the operators with all the study material necessary to prepare for the exam. Practice Tests. Another name for a waste stabilization pond is, Wastewater sources & characteristics: Sludge Digestion & Solids Handling: Demo: Experience ABC's Computerized Exams. How do you calibrate a chemical feed pump? b. vibrating trough . The most common flow-measure device for wastewater is a_____, Wastewater Treatment Facilities: 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. Sedimentation and Flotation: The specific gravity standard for gases is_______, Basic Chemistry: typically, how often should sediment and drip traps be drained in cold water? when one liquid is dissolved in another liquid it is called. 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"}}. Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. A fish is 2.5m2.5 \mathrm{~m}2.5m in front of the diving mask. c. complex mix aeration c. add treatment chemicals Effluent Disposal: Ponds used in series after a trickling filter are sometimes called? g.async=!0,g.src=t,h.appendChild(g)} Class I - Wastewater Class I - Operator Class I - Water Distribution Class II - Operator Class II - Water Distribution Class III - Water Treatment Class III - Water Distribution Class IV - Water Distribution Learning Excel Workbook Basics Function Basics More Training on Microsoft's website Puzzle Puzzle: KRWA is going to PIECES!