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Wastewater Collections Grade 2 Practice Test California Wastewater Collections Grade 2 Practice Test California Water and Wastewater Courses For Operator Certification. Which one of the following best defines the term stray-current corrosion? Another name for slime growth is, Trickling Filters: If is not recommended to start up trickling filters in the _____(season) because bacteria are most ofter dormant at this time, Trickling Filters: se&{1k">N0{5yur-;5Y5#[ !q& kH'U!p_,JjrDGM&tv.~Qsn,3u}L> b)>c^\!rA[6GOE;5N8&6\ciu2k (2) reddish brown CA Grade 4 amp 5 Wastewater Math Part 2 of 3 YouTube. Making water clean. c. vacuum filters These questions are similar to, but not the same as, the questions you are likely to encounter on your certification exam. What condition will occur if sludge is not pumped out of primary clarifiers at regular intervals? d. 8 stages, Rotating Biological Contactors: Solids removal from secondary effluent: Residual Solids Management: 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. Flow Patterns. 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 If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? c. improve housekeeping around drying beds 2. oxidation pond Maintenance: d. extended aeration activated sludge. Disinfection: 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 The specific gravity standard for gases is_______, Basic Chemistry: + When is the dissolved oxygen in a waste pond the highest? c. orifice ._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} Saprophytic microorganisms are also called: Sludge Digestion & Solids Handling: What is the ultimate measure of effective chlorination? This stage takes care of the dissolved organic matter that escapes the primary stage. If this is your first exam attempt, a short history of the current exam development should be of interest. Typically, what average percent of total solids in domestic wastewater, both dissolved and suspended, are inorganics? Took the class III exam from the ABC program yesterday and felt very under knowledge. 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. a. heat treatment c. about half the volume as the grit being removed a. total solids Every test is created from a pool of possible water distribution questions. -the tank is exhibiting high rates of foaming. d. incineration, Wastewater Solids Processing: Adequate ___BOD, ____nitrogen, ____Phosphorous ratio for microorganisms to grow is usually There are 22 individual lesson modules included in this course. -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. What solids treatment method removes 100% of the pathogens, water, and organics (UV is not the answer), Residual Solids Management: c. composting How often should the motor bearings be greased in a rotating biological contactor unit? a. pH Class K Study Guide Industrial Wastewater Operator Certification . Rotating Biological Contactors: Southern Illinois Univ. Wastewater Solids Processing: We'll bring you back here when you are done. Basic Chemistry: So every time you practice you will take a unique test. c. acids and alkalies H}Wr8[$HB$"&.ZO*JJ4p8(To>|H^sGGrB*G*f%G. Solids removal from secondary effluent: a. rotameter -high surface turbulence. When is the pH in a waste pond the lowest? MATERIAL AND METHODS ._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} Sludge Digestion & Solids Handling: What is the optimum temperature for digester substances? Equilibrium system and stress factors These practice questions and answers are brought to you free of charge by RoyCEU.com. Activated Sludge: The following are approved as reference sources for the 2017 ABC standardized wastewater treatment operator exams. The exam consists of 100 multiple choice questions. The most common imbalance in the operation of an anaerobic sludge digester is, Sludge Digestion & Solids Handling: Microorganisms that are methane fermenters will only produce in the pH range of, Sludge Digestion & Solids Handling: The current imbalance between legs of polyphase motors should never exceed____%, Maintenance: d. 100:12:5, Trickling Filters: What type of feeder would always feed a gas? Find out how you can intelligently organize your Flashcards. Another name for a waste stabilization pond is, Wastewater sources & characteristics: Sludge Digestion & Solids Handling: What class of fire involves sodium and magnesium? Contact Andrea Rhodes A problem with odors from trickling filters may be solved by: Flashcards. d. stabilization, Wastewater Solids Processing: d. hydrochloric acid. Wastewater treatment systems protect public health and the environment only if they are being properly operated and maintained. Where would toxicants least likely cause a problem for a wastewater treatment plant? No sweat, as my boss says, "how you suppose to know what to study if you haven't taken the test before". Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. Activated Sludge Module 1 . Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls? Basic Chemistry: . no one is perfect and as long as you make progress, i'd be happy with the effort. DO Stabilization Ponds Operations Manual USEPA 430/9-77-012 Sample Question. The purpose of adding sodium thiosulfate to a microbiological sample bottle is to. This solids treatment method maximizes the reduction of moisture and solids is called_______, Wastewater Solids Processing: c)Replenish chemical stock. What is the purpose of a draft tube in an anaerobic sludge digester? 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: The most common flow-measure device for wastewater is a_____, Wastewater Treatment Facilities: d. pure oxygen, Activated Sludge: This 5 question practice test is a demo of the full, 100 question, practice test available to members. If the ponds or lagoons had an ammonia odor, what would be the most likely solution? What is the difference between a weak acid and a strong acid? a.complete mix aeration Water Treatment Certification practice tests, flashcards, study guides, and more. Outline d. chemical oxidation, Wastewater Solids Processing: The program suggests purchasing their books from Sacramento. c. lime stabilization The RX Drug Company has just purchased a capsulating machine for $76,000. Odor Control: 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. 10 7. Digestion is working properly if the volatile solids content of the raw sludge has been reduced by ___-___%, Sludge Digestion & Solids Handling: Anaerobic ponds usually range in depth from___-___ft, Wastewater Treatment Facilities: Mar. Waste Treatment Ponds: Thanks for your reply! Surface loading and detention time is a clarifier are directly related to: Sedimentation and Flotation: Edwardsville, IL 62026-1075 (618) 650-2030 . b. wet air oxidation The Examination Request for Wastewater Operator Certification must be submitted for a Letter of Admission to be issued. Wastewater Solids Processing: If the head works in a wastewater treatment plant had an H2S odor, what would be the most likely solution? c. grit Approx. b. mineral oils (b) What is the magnification of the image of the fish? c. tapered aeration The solids treatment method that usually dewaters solids by mixing them with a bulking agent, and then waiting for biological stabilization to occur is called________, Wastewater Solids Processing: Class 4 Study Guide Wastewater Operator Certification . Regarding waste pond lab sampling, which parameter is sampled at the influent of the pond? What is the ideal temperature range for methane-forming bacteria in anaerobic digesters? What type of pond would receive wastewater form a secondary treatment system? Sedimentation and Flotation: Illinois EPA certifies the technical competency of . feathr("sprinkle", "page_view"); c. O3 g.async=!0,g.src=t,h.appendChild(g)} If the level falls in 10.3 min. Chlorine gas has a specific gravity of, Rocks/Screens/Comminutors & Grit Removal: In addition, the class covers most of the study guide questions and provides the operators with the best answers.The cost for the class is $199.00. Which one of the following parameters can be preserved for later lab analysis? illinois class 4 wastewater practice test. d. flotation, Wastewater Solids Processing: c. has less flocculant than primary sludges Draft tube propeller mixers are subject to corrosion from____ (3) reddish brown, Activated Sludge: Jake udDNW|'Z[V2Lj$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 0000002075 00000 n The panel is comprised of 8 experts who d. COD, Trickling Filters: Milliliters of sample used: 2. ._38lwnrIpIyqxDfAF1iwhcV{background-color:var(--newCommunityTheme-widgetColors-lineColor);border:none;height:1px;margin:16px 0}._37coyt0h8ryIQubA7RHmUc{margin-top:12px;padding-top:12px}._2XJvPvYIEYtcS4ORsDXwa3,._2Vkdik1Q8k0lBEhhA_lRKE,.icon._2Vkdik1Q8k0lBEhhA_lRKE{border-radius:100%;box-sizing:border-box;-ms-flex:none;flex:none;margin-right:8px}._2Vkdik1Q8k0lBEhhA_lRKE,.icon._2Vkdik1Q8k0lBEhhA_lRKE{background-position:50%;background-repeat:no-repeat;background-size:100%;height:54px;width:54px;font-size:54px;line-height:54px}._2Vkdik1Q8k0lBEhhA_lRKE._1uo2TG25LvAJS3bl-u72J4,.icon._2Vkdik1Q8k0lBEhhA_lRKE._1uo2TG25LvAJS3bl-u72J4{filter:blur()}.eGjjbHtkgFc-SYka3LM3M,.icon.eGjjbHtkgFc-SYka3LM3M{border-radius:100%;box-sizing:border-box;-ms-flex:none;flex:none;margin-right:8px;background-position:50%;background-repeat:no-repeat;background-size:100%;height:36px;width:36px}.eGjjbHtkgFc-SYka3LM3M._1uo2TG25LvAJS3bl-u72J4,.icon.eGjjbHtkgFc-SYka3LM3M._1uo2TG25LvAJS3bl-u72J4{filter:blur()}._3nzVPnRRnrls4DOXO_I0fn{margin:auto 0 auto auto;padding-top:10px;vertical-align:middle}._3nzVPnRRnrls4DOXO_I0fn ._1LAmcxBaaqShJsi8RNT-Vp i{color:unset}._2bWoGvMqVhMWwhp4Pgt4LP{margin:16px 0;font-size:12px;font-weight:400;line-height:16px}.icon.tWeTbHFf02PguTEonwJD0{margin-right:4px;vertical-align:top}._2AbGMsrZJPHrLm9e-oyW1E{width:180px;text-align:center}.icon._1cB7-TWJtfCxXAqqeyVb2q{cursor:pointer;margin-left:6px;height:14px;fill:#dadada;font-size:12px;vertical-align:middle}.hpxKmfWP2ZiwdKaWpefMn{background-color:var(--newCommunityTheme-active);background-size:cover;background-image:var(--newCommunityTheme-banner-backgroundImage);background-position-y:center;background-position-x:center;background-repeat:no-repeat;border-radius:3px 3px 0 0;height:34px;margin:-12px -12px 10px}._20Kb6TX_CdnePoT8iEsls6{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;margin-bottom:8px}._20Kb6TX_CdnePoT8iEsls6>*{display:inline-block;vertical-align:middle}.t9oUK2WY0d28lhLAh3N5q{margin-top:-23px}._2KqgQ5WzoQRJqjjoznu22o{display:inline-block;-ms-flex-negative:0;flex-shrink:0;position:relative}._2D7eYuDY6cYGtybECmsxvE{-ms-flex:1 1 auto;flex:1 1 auto;overflow:hidden;text-overflow:ellipsis}._2D7eYuDY6cYGtybECmsxvE:hover{text-decoration:underline}._19bCWnxeTjqzBElWZfIlJb{font-size:16px;font-weight:500;line-height:20px;display:inline-block}._2TC7AdkcuxFIFKRO_VWis8{margin-left:10px;margin-top:30px}._2TC7AdkcuxFIFKRO_VWis8._35WVFxUni5zeFkPk7O4iiB{margin-top:35px}._1LAmcxBaaqShJsi8RNT-Vp{padding:0 2px 0 4px;vertical-align:middle}._2BY2-wxSbNFYqAy98jWyTC{margin-top:10px}._3sGbDVmLJd_8OV8Kfl7dVv{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:21px;margin-top:8px;word-wrap:break-word}._1qiHDKK74j6hUNxM0p9ZIp{margin-top:12px}.Jy6FIGP1NvWbVjQZN7FHA,._326PJFFRv8chYfOlaEYmGt,._1eMniuqQCoYf3kOpyx83Jj,._1cDoUuVvel5B1n5wa3K507{-ms-flex-pack:center;justify-content:center;margin-top:12px;width:100%}._1eMniuqQCoYf3kOpyx83Jj{margin-bottom:8px}._2_w8DCFR-DCxgxlP1SGNq5{margin-right:4px;vertical-align:middle}._1aS-wQ7rpbcxKT0d5kjrbh{border-radius:4px;display:inline-block;padding:4px}._2cn386lOe1A_DTmBUA-qSM{border-top:1px solid var(--newCommunityTheme-widgetColors-lineColor);margin-top:10px}._2Zdkj7cQEO3zSGHGK2XnZv{display:inline-block}.wzFxUZxKK8HkWiEhs0tyE{font-size:12px;font-weight:700;line-height:16px;color:var(--newCommunityTheme-button);cursor:pointer;text-align:left;margin-top:2px}._3R24jLERJTaoRbM_vYd9v0._3R24jLERJTaoRbM_vYd9v0._3R24jLERJTaoRbM_vYd9v0{display:none}.yobE-ux_T1smVDcFMMKFv{font-size:16px;font-weight:500;line-height:20px}._1vPW2g721nsu89X6ojahiX{margin-top:12px}._pTJqhLm_UAXS5SZtLPKd{text-transform:none} Need to know criteria. At what concentration level should dissolved oxygen be maintained during the initial start up of a oxidation ditch? This makes it harder to write exams. 2,135 Gal./Min. c. sulfuric acid 0000001180 00000 n ISAWWA offers a full range of online classes, all approved by the IEPA with RTC hours. Activated Sludge: b. oils and greases Sludge Digestion & Solids Handling: Wastewater Solids Processing: GLOSSARY OF WASTEWATER WORDS 22-28 . b. primary clarification Sorry, this post was deleted by the person who originally posted it. What organism would most likely enhance the penetration of oxygen into the activated sludge, Rocks/Screens/Comminutors & Grit Removal: 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) they prevent foaming in the annular space. c. flammable oils 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. a. O2 (+3) During the exam, . If the gas pressure in a digester is lower than normal, what is the most probable cause? 4 0000000607 00000 n b. they can handle a large range of flows What modified activated sludge process does not require primary treatment? Approx. c. cyanides Lab-Getting Trendy Sedimentation and Flotation: directs raw and digested sludge mixture to a heating area. Which organism wold most probably be associated with moderate sludge age and effluent water quality, Wastewater sources & characteristics: View the 2020-2021 wastewater exam summary statistics of quarterly exam results HERE. a. increase air in aeration system Rotating biological contactors are adversely affected by temperatures below_____degree F. Rotating Biological Contactors: b. are more fibrous me personally the Sacramento is way outdated, But I used the wastewater treatment fundamentals I&II textbook and passed my Class IV in Virginia on the first try. Stabilization Ponds Operations Manual USEPA 430/9-77-012 Available through: H2SO4. When the pump is not running, the water rises in 3 min. a. BOD A pond that depends on fermentation, is odorous, and is used mainly for processing industrial wastes is classified as, Waste Treatment Ponds: Basic Chemistry: What is WEF? 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. I took the provided training seminars but with COVID they're all zoom . c. solids concentration Disinfection: Wastewater Class 2 multiple choice. Wastewater Solids Processing: The allowable voltage above or below the value stamped on a motor's nameplates is_____%, Maintenance: c. COD Maintenance: Sedimentation and Flotation: c. reduce the number of weeds Safety: Past Exam Results. Wastewater Laboratory Analyst Certification Exam Practice. d. chemical addition with counter masking or masking agents, chemical addition with counter masking or masking agents. Wastewater Solids Processing: No stress. b. an anaerobic digester a. sand drying beds Verified questions. Hb```f``d30 P9eVcrV),VA`}. 2017 Wastewater Treatment Operator Formula/Conversion Table. c. sludge age The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. a. primary clarifier . Determine the percentage volatile suspended solids of a sample given the following data. Wastewater sources & characteristics: a. heavy metals d. dissolved oxygen, Wastewater Solids Processing: Classes and seminars for water and Wastewater Certification. Residual Solids Management: 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 Humus sludge is biomass from, Trickling Filters: c. a biological process Grease should be cleaned from walkaways with a stiff brush and Sludge Digestion & Solids Handling: b. decrease circulation a. gray Pools with crystal clear water look inviti Use LEFT and RIGHT arrow keys to navigate between flashcards; Use UP and DOWN arrow keys to flip the card; audio not yet available for this language. a) 346.2 b) 2229 Off GPM 7207 c) 3.23 33.4 in. In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. b. F/M . The exam questions were developed by experts in the wastewater field. Questions: 26 | Attempts: 3527 | Last updated: Mar 22, 2022. b. CO2 To go to the Class 2 & 3 Study Guide Click on above tab. Wastewater Grade 2 t/f. Deep. I passed the ABC class 3 and didnt use the Sacramento books at all. b. nitrogen Wastewater sources & characteristics: a. flush out distributor arms ._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)} The demo is available to both certification programs and trainers to help prepare individuals for taking a computerized exam. b. 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). 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? The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. Pass your test the first time! 122 terms. Wastewater Grade 2 t f Flashcards Quizlet. . Basic Chemistry: Which method would not be used to feed LIQUID chemicals? It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one.

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