DO Disinfection: Most algae are in the____kingdom, Activated Sludge: activated sludge in an aeration tank Sludge Digestion & Solids Handling: << Which organism would most probably be associated with high suspended solids and biochemical oxygen demand (BOD). Why do the strings used for the lowest-frequency notes on a piano normally have wire wrapped around them? (Time of day), Waste Treatment Ponds: 50 terms. Practice Tests. Solids removal from secondary effluent: c. flammable oils The allowable voltage above or below the value stamped on a motor's nameplates is_____%, Maintenance: b. decrease circulation 78 terms. 2,135 Gal./Min. Discussion of water and wastewater treatment processes and technology. Currently the Collection Systems, the Class 4, Class 3, Class 2 and the Class 1 exam have 100 questions each. THESE ARE NOT DUPLICATE QUESTIONS FROM ANY STATE EXAM. a. reducing the number if weeds Usually, what is the % accuracy of a graduated cylinder and burette? c. solids concentration d. flotation, Wastewater Solids Processing: What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? 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 Typically, in the flotation thickening method, how much performance improvement (%) is the amount of solids for waste activated sludge realized when a polymer is added? Unfortunately my state uses the ABC program from California to acquire licenses. b. contact stabilization c. COD a. BOD CA Grade 4 amp 5 Wastewater Math Part 2 of 3 YouTube. c. hypochlorite acid Always pour the acid into the water. a. total solids 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). And what online studies did you use? This 5 question practice test is a demo of the full, 100 question, practice test available to members. Process wastewater can Mr Jose Basic Chemistry: TABLE OF CONTENTS . Grease should be cleaned from walkaways with a stiff brush and If an activated sludge plant is hit with a high organic load, what will most like occur in the aeration tank? 0000001005 00000 n Effluent Disposal: Disinfection: Basic Chemistry: within 1 inch from the top. c. has less flocculant than primary sludges Wide, and 14 ft. In the activated sludge system for the process control of effluent suspended solids, what is the primary controlling variable for the desired microbial population? VI. Wastewater class 3 practice exam eXam Aswers Search Engine Submit Wastewater . Approx. ABC Certification - Testing Services - Membership - Conference/Calendar - Certification Contacts - Continuing Education Review - About Us - Contact Us. 0000001180 00000 n They all produce high volumes of wastewater. Wastewater Solids Processing: 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. .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)} There are 22 individual lesson modules included in this course. What is WEF? IX. 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. If the level falls in 10.3 min. Wastewater sources & characteristics: b. F/M What is the solids treatment method that uses a chemicals and mixes the recycled flow with the process residual flow in a reactor? %PDF-1.4 % Wastewater sources & characteristics: Maintenance: To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? A wastewater [plant has a train of three rotating biological contactor (RBC) units. what would be the best solution if the volatile-acid-to-alkalinity ratio increased to 0.3 in a digester due to pumping thin sludge? Loading Rates. c. rotating feeder Aerobic ponds usually range in depth from ___-____ft, Wastewater Treatment Facilities: This class addresses all the test topics and provides the operators with all the study material necessary to prepare for the exam. This solids treatment method maximizes the reduction of moisture and solids is called_______, Wastewater Solids Processing: What type of feeder would always feed a gas? (2) reddish brown An atmosphere is defined as oxygen deficient if it contains less than what % oxygen by volume? H2SO4. Disinfection: a. 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. Note: The Grade 7 Upgrade Application must be mailed to the Commonwealth of Mass, as shown on the form. a. improve housekeeping Bacteria in an anaerobic digester will effectively utilize: Activated Sludge Module 2 . Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. Pool Chemistry Best of luck you! acid fermentaters would predominate and pH would decrease, Sludge Digestion & Solids Handling: If the head works in a wastewater treatment plant had an H2S odor, what would be the most likely solution? STUDY STRATEGY 10-13 . + Rainwater runoff is also considered as w Name ____________________________________ Electrical units operating in areas exposed to flammable vapors should_______. Rotating Biological Contactors: d. DO. b. NO2 2019 Association of Boards of Certification. Waste Treatment Ponds: Activated Sludge: b. screenings (b) What is the magnification of the image of the fish? The most common pathogen identified in waterborne disease outbreaks in the United States is_______, Water and Wastewater Microbiology" They do list the books they pull info from. b. primary clarification a. heavy metals The program suggests purchasing their books from Sacramento. Sludge Digestion & Solids Handling: d. step aeration, Activated Sludge: When an electrolyte is dissolved in water to form an ion, the ion is said to be________, Basic Chemistry: 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. Test 2 - banking. a. airstream treatment Statistics from 2019 HERE. Activated Sludge: c. add treatment chemicals Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls? -the tank is exhibiting high rates of foaming. b. COD 0000045118 00000 n Activated Sludge Module 1 . Wastewater Solids Processing: ._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} Motor insulation material comes in four classes and the are based on_______, Maintenance: a. I passed the ABC class 3 and didnt use the Sacramento books at all. 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. What is the difference between a weak acid and a strong acid? Activated Sludge: they prevent the cover from scraping the sidewall. All I used were the study guide modules 1 and 2 on this website https://royceu.com/Public/PracticeQuizes.aspx I kept doing them until I was getting scores above 90. c. increase mixing ._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} b. gravity What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? The Wastewater Operator Certification Program is intended to protect public health, environmental quality, and the financial investment of wastewater facilities. d. activated sludge. Good luck. Standards of conduct and practice were revised to exclude marijuana-related drug distribution misdemeanor convictions from convictions that a regulant must report to the Board. d. chemical oxidation, Wastewater Solids Processing: What is the optimum temperature for digester substances? What is the only acceptable breathing device to wear while handling chlorine leaks? American Water College. % Hydrogen Sulfide will exist in a system depending on the presence or absence of_____. (TCs) that may be used to substitute for up to half of the required experience for Class 1, Class 2, and Class 3 Waterworks or Wastewater Works Operator licenses . 98) Every day the operator of a small wastewater treatment plant should. Edwardsville, Illinois 62026-1075 (618) 650-2030 . d. low operating costs, as they are east to run, Secondary Treatment: d. hydrogen sulfide. 2. oxidation pond $32 c. $36 d. $42.50 proper operation. The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. Which one of the following ius the least important in the successful operation of an activated sludge plant? Sludge Digestion & Solids Handling: The current imbalance between legs of polyphase motors should never exceed____%, Maintenance: Activated Sludge: The exam questions were developed by experts in the wastewater field. d. belt presses, Wastewater Solids Processing: A solids treatment stabilization process method would be: A pond that contains oxygen in its upper layers and lacks oxygen in the bottom layer is classified as, Waste Treatment Ponds: Sludge Digestion & Solids Handling: b. hypochlorous acid at least two pipe diameters above the rim. The detention time for primary clarifiers usually has a range of_____hr/s, Wastewater Treatment Facilities: That may seem obvious but, too many people take the certification exam with little or no preparation. c. trisodium phosphate Sludge Digestion & Solids Handling: An anaerobic sludge digester should be operated such that________________, acid formation is equal to methane formation, Sludge Digestion & Solids Handling: b. mineral oils What is the chemical formula for sulfuric acid? a. step aeration a. thickening Our proven study tools will prepare you to take the Water Treatment, Water Distribution and Wastewater Operator exams with confidence. 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. To go to the Class 2 & 3 Study Guide Click on above tab. What would be the most probable cause for gas leaking through the pressure relief valve on the digester's roof? VII. What is the critical factor in any method to control the aeration tank? Practice Exam #1 Practice Exam #1 - Answers Practice Exam #2 - Answers Practice Exam #2 Practice Exam #1 - Answers Please find links to the Certification Information Pages below for each state: Alabama - http://www.adem.state.al.us/programs/water/opcertification.cnt Alaska - how often should the thermal valves be dismantled for service? 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. Regarding waste pond lab sampling, which parameter is sampled at the influent of the pond? What is "the" major factor in predicting the performance of wastewater clarifiers? 122 terms. The wastewater operator certification program is a mandatory program. d. temperature. a. gravity ._12xlue8dQ1odPw1J81FIGQ{display:inline-block;vertical-align:middle} while the pump is running, what is the pump rate in GPM? Press question mark to learn the rest of the keyboard shortcuts, https://royceu.com/Public/PracticeQuizes.aspx. 0000045196 00000 n Making water clean. Typically, what average percent of total solids in domestic wastewater, both dissolved and suspended, are inorganics? Typically, an anaerobic digester will produce about 30%-35% by volume of which gas? c. grit If the sludge drying beds had a decaying odor, what would be the most likely solution? Water and Wastewater Microbiology" Only advice I can give is to expand your knowledge base by learning as much as you can about your field, either through University of Sacramento OWP or other correspondence courses. 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. Water Treatment Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. d. raw sewage. 0000000700 00000 n primary effluent In a small package, wastewater treatment plant, the operator should try to keep the dissolved oxygen in the aeration tank at approximately:____mg/L. Outline Approved Environment, Inc. offers 50 online continuing education (CE) courses for water and wastewater. The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. Effluent Disposal: Wastewater treatment systems protect public health and the environment only if they are being properly operated and maintained. Upgrade to Combined Grade 7 - Massachusetts Wastewater Treatment Plant Operator. a. BOD (Time of day), Waste Treatment Ponds: f.FeathrBoomerang=r;var g=e.createElement(a), Each question has been validated through a process of panel review. Odor Control: A solids treatment dewatering process method would be" a bacteria sample must be mailed so that the lab analysis can begin no later than. What about the removal of suspended solids? Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. My tests are based off of ABC and Sacramento too. a.complete mix aeration Sludge Digestion & Solids Handling: 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? a. flush out distributor arms . Name the solids treatment method that has a solids buildup which forms a blanket on the bottom and forces the water out due to compression? Residual Solids Management: The industrial Class Kand 10 -WR (general) exam has a total of 14 questions, 7 multiple choice and 7 short answer/essay. Typically what average percent of total solids in a domestic wastewater, both dissolved and suspended, are inorganics. $25 b. Sludge Digestion & Solids Handling: d. phosphorous, Activated Sludge: 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? d. dissolved oxygen, Wastewater Solids Processing: Virtual Water workshops meet from 1:00 p.m. to 4:00 p.m. Smith, Michael Abbott. The solids treatment method usually dewaters solids by mixing them with a bulking agent and then waiting for biological stabilization to occur? Classes will Start September 7, 2021 and meet twice per week (Tues & Thurs) for six weeks, ending on October 14, 2021. b. improve operations before digester d. plunger feeder, Solids removal from secondary effluent: a. heat treatment Bacteria are in the ______kingdom, Activated Sludge: It makes it a lot more challenging when, say, your system is just lagoons and they are asking questions about advanced processes. b. nitrogen 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? 2,380 Gal./Min. b. food entering the process (solids) d. organic toxicants, Activated Sludge: Wastewater Operator Certification Exam Book List. the clarifier is hydraulically overloaded, Effluent Disposal: To help you study for your wastewater treatment operator certification exam, here are four practice problems. Wastewater Laboratory Analyst Certification Exam Practice.