What type of pond would receive wastewater form a secondary treatment system? Which one of the following parameters can be preserved for later lab analysis? a. screenings Just wanted to make sure Im looking at the right tests/guides. When the pump is not running, the water rises in 3 min. Disinfection: 3 stages a. If the sludge drying beds had a decaying odor, what would be the most likely solution? Which one of the following is not a major solids treatment method? Wastewater sources & characteristics: 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. b. are more fibrous 4 feet deep 8 feet deep 3 feet wide 7) A wet well is 9 feet deep by 21 feet in diameter. d. flotation, Wastewater Solids Processing: 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. Wastewater Grade 2 t/f. c. grit Wastewater Certification practice tests, flashcards, study guides, and more. Waste Treatment Ponds: .Rd5g7JmL4Fdk-aZi1-U_V{transition:all .1s linear 0s}._2TMXtA984ePtHXMkOpHNQm{font-size:16px;font-weight:500;line-height:20px;margin-bottom:4px}.CneW1mCG4WJXxJbZl5tzH{border-top:1px solid var(--newRedditTheme-line);margin-top:16px;padding-top:16px}._11ARF4IQO4h3HeKPpPg0xb{transition:all .1s linear 0s;display:none;fill:var(--newCommunityTheme-button);height:16px;width:16px;vertical-align:middle;margin-bottom:2px;margin-left:4px;cursor:pointer}._1I3N-uBrbZH-ywcmCnwv_B:hover ._11ARF4IQO4h3HeKPpPg0xb{display:inline-block}._2IvhQwkgv_7K0Q3R0695Cs{border-radius:4px;border:1px solid var(--newCommunityTheme-line)}._2IvhQwkgv_7K0Q3R0695Cs:focus{outline:none}._1I3N-uBrbZH-ywcmCnwv_B{transition:all .1s linear 0s;border-radius:4px;border:1px solid var(--newCommunityTheme-line)}._1I3N-uBrbZH-ywcmCnwv_B:focus{outline:none}._1I3N-uBrbZH-ywcmCnwv_B.IeceazVNz_gGZfKXub0ak,._1I3N-uBrbZH-ywcmCnwv_B:hover{border:1px solid var(--newCommunityTheme-button)}._35hmSCjPO8OEezK36eUXpk._35hmSCjPO8OEezK36eUXpk._35hmSCjPO8OEezK36eUXpk{margin-top:25px;left:-9px}._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP,._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP:focus-within,._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP:hover{transition:all .1s linear 0s;border:none;padding:8px 8px 0}._25yWxLGH4C6j26OKFx8kD5{display:inline}._2YsVWIEj0doZMxreeY6iDG{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-metaText);display:-ms-flexbox;display:flex;padding:4px 6px}._1hFCAcL4_gkyWN0KM96zgg{color:var(--newCommunityTheme-button);margin-right:8px;margin-left:auto;color:var(--newCommunityTheme-errorText)}._1hFCAcL4_gkyWN0KM96zgg,._1dF0IdghIrnqkJiUxfswxd{font-size:12px;font-weight:700;line-height:16px;cursor:pointer;-ms-flex-item-align:end;align-self:flex-end;-webkit-user-select:none;-ms-user-select:none;user-select:none}._1dF0IdghIrnqkJiUxfswxd{color:var(--newCommunityTheme-button)}._3VGrhUu842I3acqBMCoSAq{font-weight:700;color:#ff4500;text-transform:uppercase;margin-right:4px}._3VGrhUu842I3acqBMCoSAq,.edyFgPHILhf5OLH2vk-tk{font-size:12px;line-height:16px}.edyFgPHILhf5OLH2vk-tk{font-weight:400;-ms-flex-preferred-size:100%;flex-basis:100%;margin-bottom:4px;color:var(--newCommunityTheme-metaText)}._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX{margin-top:6px}._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._3MAHaXXXXi9Xrmc_oMPTdP{margin-top:4px} c. composting Activated Sludge: c. sludge age d. activated sludge, Wastewater Treatment Facilities: r.queue=[],r.loaded=1*new Date,r.version="1.0.0", 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! /Filter /FlateDecode Each question has been validated through a process of panel review. b. extended aeration activate sludge d. COD, Trickling Filters: 78 terms. Grease should be cleaned from walkaways with a stiff brush and Sedimentation and Flotation: b. oils and greases a) 346.2 b) 2229 Off GPM 7207 c) 3.23 33.4 in. b. grit View the 2020-2021 wastewater exam summary statistics of quarterly exam results HERE. Rotating biological contactors have all the following advantages except: Process wastewater can Mr Jose The more practice exams you do, the less stress you will feel when taking the real exam. Test yourself before taking your state exam. An atmosphere is defined as oxygen deficient if it contains less than what % oxygen by volume? Maintenance: Class 4 Study Guide Wastewater Operator Certification . Sedimentation and Flotation: Our proven study tools will prepare you to take the Water Treatment, Water Distribution and Wastewater Operator exams with confidence. b. they can handle a large range of flows a. oils and greases c. has less flocculant than primary sludges . Primary treatment is not required in which modified activated sludge process? They all produce high volumes of wastewater. b. toxic gases Filter sloughings are a product of: Sedimentation and Flotation: What would be the most probable cause for gas leaking through the pressure relief valve on the digester's roof? Southern Illinois University Edwardsville is authorized to operate as a postsecondary educational institution by the Illinois . Please select the correct language below. Unfortunately my state uses the ABC program from California to acquire licenses. d. temperature. Which of the following groups of microorganisms are found in a good settling mixed liquor? b. concentration WEF/ABC Wastewater Laboratory Analysts' Guide to Preparing for the Certification Examination. a. thickening The water quality parameters of pH and alkalinity and the presence of toxic substances can impact plant operation, because of their The effluent from which process is called mixed liquor ._2cHgYGbfV9EZMSThqLt2tx{margin-bottom:16px;border-radius:4px}._3Q7WCNdCi77r0_CKPoDSFY{width:75%;height:24px}._2wgLWvNKnhoJX3DUVT_3F-,._3Q7WCNdCi77r0_CKPoDSFY{background:var(--newCommunityTheme-field);background-size:200%;margin-bottom:16px;border-radius:4px}._2wgLWvNKnhoJX3DUVT_3F-{width:100%;height:46px} @keyframes ibDwUVR1CAykturOgqOS5{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}._3LwT7hgGcSjmJ7ng7drAuq{--sizePx:0;font-size:4px;position:relative;text-indent:-9999em;border-radius:50%;border:4px solid var(--newCommunityTheme-bodyTextAlpha20);border-left-color:var(--newCommunityTheme-body);transform:translateZ(0);animation:ibDwUVR1CAykturOgqOS5 1.1s linear infinite}._3LwT7hgGcSjmJ7ng7drAuq,._3LwT7hgGcSjmJ7ng7drAuq:after{width:var(--sizePx);height:var(--sizePx)}._3LwT7hgGcSjmJ7ng7drAuq:after{border-radius:50%}._3LwT7hgGcSjmJ7ng7drAuq._2qr28EeyPvBWAsPKl-KuWN{margin:0 auto} a)Clean settling basins and dispose of sludge. d. settleable solids, Activated Sludge: Basic Chemistry: Wastewater Laboratory Analyst Certification Exam Practice. This course compiles 14 individual lessons into one course to make 16 hours. Secondary Treatment: Sludge Digestion & Solids Handling: Which property uniquely identifies a chemical element? . 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) d. chemical oxidation. Typically what average percent of total solids in a domestic wastewater, both dissolved and suspended, are inorganics. g.async=!0,g.src=t,h.appendChild(g)} The specific gravity standard for gases is_______, Basic Chemistry: Enhanced Biological (Nutrient) Control: Which one of the following types of substance is not soluble in water and has the potential of creating explosive conditions? Sludge Digestion & Solids Handling: What is the expected range for the removal of settleable solids from a primary clarifier? d. extended aeration activated sludge. c. applying chlorine Of the following, which is the least important nutrient in wastewater treatment for microorganisms to reproduce? All rights reserved. ._1x9diBHPBP-hL1JiwUwJ5J{font-size:14px;font-weight:500;line-height:18px;color:#ff585b;padding-left:3px;padding-right:24px}._2B0OHMLKb9TXNdd9g5Ere-,._1xKxnscCn2PjBiXhorZef4{height:16px;padding-right:4px;vertical-align:top}.icon._1LLqoNXrOsaIkMtOuTBmO5{height:20px;vertical-align:middle;padding-right:8px}.QB2Yrr8uihZVRhvwrKuMS{height:18px;padding-right:8px;vertical-align:top}._3w_KK8BUvCMkCPWZVsZQn0{font-size:14px;font-weight:500;line-height:18px;color:var(--newCommunityTheme-actionIcon)}._3w_KK8BUvCMkCPWZVsZQn0 ._1LLqoNXrOsaIkMtOuTBmO5,._3w_KK8BUvCMkCPWZVsZQn0 ._2B0OHMLKb9TXNdd9g5Ere-,._3w_KK8BUvCMkCPWZVsZQn0 ._1xKxnscCn2PjBiXhorZef4,._3w_KK8BUvCMkCPWZVsZQn0 .QB2Yrr8uihZVRhvwrKuMS{fill:var(--newCommunityTheme-actionIcon)} Operators should use special precautions when placing anaerobically digested sludge on a drying bed because sludge contains what gas? What is the name of the solids treatment method that maintains a certain pH for at least 2 hrs, then with the final product which can then be applied directly to land is called______. 10 PPM. Activated Sludge: 2017 Wastewater Treatment Operator Class IV Wastewater Treatment Operator Formula/Conversion Table ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. how much surface area of a rotating biological contactor is immerses in the wastewater? at least two pipe diameters above the rim. activated sludge in an aeration tank Effluent Disposal: when taking a bacteria sample, the sample bottle should be filled with water. Bacteria in an anaerobic digester will effectively utilize: I passed the ABC class 3 and didnt use the Sacramento books at all. What is the solids treatment method that chemically treats the residual flow, then spread evenly over a porous belt? What is the optimum temperature range of mesophile bacteria in anaerobic digestion? Wastewater Collections Grade 2 Practice Test California Wastewater Collections Grade 2 Practice Test California Water and Wastewater Courses For Operator Certification. f. white, Odor Control: H2SO4. 2017 Wastewater Treatment Operator Formula/Conversion Table. Currently the Collection Systems, the Class 4, Class 3, Class 2 and the Class 1 exam have 100 questions each. Activated Sludge: c. power requirements are low ._3K2ydhts9_ES4s9UpcXqBi{display:block;padding:0 16px;width:100%} a. contain 20-25% nonvolatile inorganic matter How many stages are usually present in the rotating biological contactor process? What should be the color of an oxidation ditch that is working properly? 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 c. complex mix aeration 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 Approved Training Provider - Indiana, Illinois, Ohio, Delaware, Alabama, Maryland, Idaho, North Carolina, South Carolina, Virginia, West Virginia, Tennessee and Kentucky. ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. Class 4 Wastewater IL 4.0 (1 review) Term 1 / 88 What do you do if a sewer line is plugged? Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. c. 100:10:3 Always pour the acid into the water. THESE ARE NOT DUPLICATE QUESTIONS FROM ANY STATE EXAM. a. increase air in aeration system the books are a tad overkill for the ABC tests. Complete the test and know your score instantly. a. heavy metals I was successful writing my level III Water Distribution but it too had a lot of questions about water treatment, cross connection control, GIS systems, blueprints, dosages etc. worked for me on the class IV. a. potassium Mar. What is the difference between a weak acid and a strong acid? 2. oxidation pond Which one of the following species is ozone? If a secondary clarifier has floatable debris in the effluent, what is the most likely cause? d. temperature. Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls? Sedimentation and Flotation: The wastewater operator certification program is a mandatory program. Please find links to the Certification Information Pages below for each state: Alabama - http://www.adem.state.al.us/programs/water/opcertification.cnt Alaska - Certification Exam Prep; Continuing Education; Certificate Program; Utility Management Typically, an anaerobic digester will produce about 30%-35% by volume of which gas? What about the removal of suspended solids? I found a lot of the 3 questions were around anaerobic digestion so I focused a lot on that and it helped me pass. This means that each wastewater treatment facility in Illinois is required to be operated by a wastewater operator who is certified at or above the certification level required for the treatment facility. Rainwater runoff is also considered as w Name ____________________________________ Which one of the following types of wastewater ponds listed below is not classified like the other three? ._2Gt13AX94UlLxkluAMsZqP{background-position:50%;background-repeat:no-repeat;background-size:contain;position:relative;display:inline-block} A wastewater [plant has a train of three rotating biological contactor (RBC) units. To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? This stage takes care of the dissolved organic matter that escapes the primary stage. -high surface turbulence. d. plunger feeder, Solids removal from secondary effluent: Answer the following question to test your understanding of the . Waste Treatment Ponds: .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)} c. vacuum filters What do skirts provide in anaerobic digesters? They helped me pass the level 4 wastewater operator test in New Mexico. How often should the oil in the chain casing be changed? c. once per day Approx. What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? (time of day), Waste Treatment Ponds: What is the purpose of a draft tube in an anaerobic sludge digester? a. organic toxicants Incoming Wastewater Testing Monitoring of influent wastewater is an important component of operating an activated sludge plant. typically, how often should sediment and drip traps be drained in cold water? a. primary clarifier 2019 Association of Boards of Certification. b. COD b. BOD Safety: a. incineration The process that uses heat to selectively destroy undesirable organisms is called: Disinfection: What is "the" major factor in predicting the performance of wastewater clarifiers? what % of the dissolved solids in wastewater are inorganics, Wastewater sources & characteristics: -pH is 7.2. b. gravity The solids treatment method usually dewaters solids by mixing them with a bulking agent and then waiting for biological stabilization to occur? Stabilization Ponds Operations Manual USEPA 430/9-77-012 Available through: The plant engineer estimates the machine has a useful life of 5 years and no salvage value. Edwardsville, IL 62026-1075 (618) 650-2030 7. -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. .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} a.complete mix aeration The most important factor in the high-rate process of anaerobic digestion is: Solids removal from secondary effluent: The allowable voltage above or below the value stamped on a motor's nameplates is_____%, Maintenance: Grade 4 Wastewater Certification Wastewater Extra Questions Grade 1 Wastewater certification review grade. 0000001180 00000 n Wastewater Solids Processing: Following the activated sludge what process modification is very sensitive to bulking? Wastewater Solids Processing: Waste Treatment Ponds: temperature favoring the growth of a particular species of algae. My score on the exam was a B+ for the level one, my score for other exams have been much better. 10 PPM. Basic Concepts. 0000002075 00000 n %PDF-1.2 Motor insulation material comes in four classes and the are based on_______, Maintenance: Adequate ___BOD, ____nitrogen, ____Phosphorous ratio for microorganisms to grow is usually 23BIbVc^(2el!jO1gXFi!20IIew"-bRZ\Z 1mnH35_l^tE+SedZIinbz0FQ&|Y1la@YuGfrg|I-'6s @LYiFag6Td[l\* Safety: b. a. heat treatment stream c. tapered aeration d. dissolved oxygen, Wastewater Solids Processing: 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. Please sign in to share these flashcards. Sludge Digestion & Solids Handling: d. phosphorous, Activated Sludge: The best operation performance for an anaerobic digester is when it is feed (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 . The passing grade is 70%. /Length 9 0 R c. secondary sludge 2017 Wastewater Treatment Operator Formula/Conversion Table c. acids and alkalies 1. Along with the practice exam you will also be able to read and learn the secret of achieving top scores on the State Exam. True. Add to folder b. vibrating trough 10 7. 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. Basic Chemistry: 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 A fish is 2.5m2.5 \mathrm{~m}2.5m in front of the diving mask. Sorry, this post was deleted by the person who originally posted it. The clarity of a chlorine contact basin's effluent is considered good when the "Secchi" disk can be read at a level of___ft, Ca Grade 2 Wastewater Treatment Operator Prac, Wastewater Treatment Operator Certification T, 3 , , WasteWater Operator Certification Study Guide, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, Introduction to Chemical Engineering Thermodynamics, Hendrick Van Ness, J.M. An anaerobic sludge digester should be operated such that________________, acid formation is equal to methane formation, Sludge Digestion & Solids Handling: These practice tests are a great study tool to add to your Water Distribution Operator Exam studying process. Effluent Disposal: . Calculate the BOD given the information: Initial DO: 8.3. 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? There are 22 individual lesson modules included in this course. h=e.getElementsByTagName("head")[0]||e.getElementsByTagName("script")[0].parentNode; The Wastewater Practice exam is temporarily out of service for upgrades. Loading Rates. how often should the thermal valves be dismantled for service? b. pH ABC Certification - Testing Services - Membership - Conference/Calendar - Certification Contacts - Continuing Education Review - About Us - Contact Us. << Sludge Digestion & Solids Handling: 360mg/l. Test takers are allowed three hours to complete the exam. If the ponds or lagoons had an ammonia odor, what would be the most likely solution? To go to the Class 2 & 3 Study Guide Click on above tab. Activated Sludge Module 2 . d. organisms available to treat the wastes, Activated Sludge: c. rotating feeder Which one of the following ius the least important in the successful operation of an activated sludge plant? Activated Sludge: Wastewater Operator Certification Exam Book List. Given the following information: -aerobic digester dissolved oxygen level is at 3.5 mg/L. !function(f,e,a,t,h,r){if(!f[h]){r=f[h]=function(){r.invoke? If an activated sludge plant is hit with a high organic load, what will most like occur in the aeration tank? Maintenance: b. decanter c. composting c. hypochlorite acid c. O3 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"}}. USE OF CALCULATORS ON THE EXAM 10 . Activated Sludge Module 3 . 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?
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