illinois class 4 wastewater practice test

2,135 Gal./Min. What document provides a profile of hazardous substances and/or mixtures? 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"}}. Loading Rates. Please find links to the Certification Information Pages below for each state: Alabama - http://www.adem.state.al.us/programs/water/opcertification.cnt Alaska - d. N2O. Rotating biological contactors are adversely affected by temperatures below_____degree F. Rotating Biological Contactors: b)Determine that all the plant equipment is operational. Edwardsville, Illinois 62026-1075 (618) 650-2030 . while the pump is running, what is the pump rate in GPM? Sludge Digestion & Solids Handling: 0000000700 00000 n Sludge Digestion & Solids Handling: Outline If the ponds or lagoons had an ammonia odor, what would be the most likely solution? Non -sewage: This is discharged by manufacturing processes and commercial enterprises. b. yellow H}Wr8[$HB$"&.ZO*JJ4p8(To>|H^sGGrB*G*f%G. What is the odor detection limit of chlorine gas? they prevent foaming in the annular space. b. 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 Sorry, this post was deleted by the person who originally posted it. Currently the Collection Systems, the Class 4, Class 3, Class 2 and the Class 1 exam have 100 questions each. Need-to-Know Criteria outline the content that will be covered on the 2017 ABC standardized exams. d. temperature. What is the most accurate measure of the organisms present in an aerator for treating incoming wastes? What is the difference between a weak acid and a strong acid? 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. Bacteria in an anaerobic digester will effectively utilize: b. extended aeration activate sludge Safety: Pass your test the first time! b. are more fibrous ._12xlue8dQ1odPw1J81FIGQ{display:inline-block;vertical-align:middle} True. . What type of fire extinguishers should be used on electrical fires? Digestion is working properly if the volatile solids content of the raw sludge has been reduced by ___-___%, Sludge Digestion & Solids Handling: American Water College. The demo is available to both certification programs and trainers to help prepare individuals for taking a computerized exam. a. total solids Waste Treatment Ponds: Electrical units operating in areas exposed to flammable vapors should_______. At what depth should samples be collected from a waste pond? Press question mark to learn the rest of the keyboard shortcuts, https://royceu.com/Public/PracticeQuizes.aspx. a. airstream treatment directs raw and digested sludge mixture to a heating area. b. nitrogen Milliliters of sample used: 2. c. composting d. plunger feeder, Solids removal from secondary effluent: c. grit 2019 Association of Boards of Certification. Pool Chemistry How often should the liquid level be checked on a digester to prevent overfilling? 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. To see these classes - CLICK HERE. My tests are based off of ABC and Sacramento too. document.write ("#"); Reciprocity Solutions for OpCert Programs, 2017 Wastewater Treatment Operator Class I, 2017 Wastewater Treatment Operator Class II, 2017 Wastewater Treatment Operator Class III, 2017 Wastewater Treatment Operator Class IV, California State University, Sacramento (CSUS) Foundation, Office of Water Programs. Approx. Ponds used in series after a trickling filter are sometimes called? What do ballast blocks provide in anaerobic digesters? Secondary clarifiers are usually located after: Another guy told me thats what he uses instead of the sacramento. Reliability can only . Sample Question. Water and Wastewater Microbiology" 0000000607 00000 n the floating cover on an anaerobic should be inspected how often? Find out how you can intelligently organize your Flashcards. Practice Exam #1 Practice Exam #1 - Answers Practice Exam #2 - Answers Practice Exam #2 Practice Exam #1 - Answers 10 7. In the activated sludge system for the process control of effluent suspended solids, what is the primary controlling variable for the desired microbial population? Process wastewater can Mr Jose Sludge Digestion & Solids Handling: What term describes the condition that exists when the source of the water supply is below the centerline of the pump? The best operation performance for an anaerobic digester is when it is feed a. BOD In a primary clarifier, the expected performance for removing settleable solids is 90-95% removal. . 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. 50 terms. Odor Control: /Length 9 0 R The passing grade is 70%. Enhanced Biological (Nutrient) Control: ._3-SW6hQX6gXK9G4FM74obr{display:inline-block;vertical-align:text-bottom;width:16px;height:16px;font-size:16px;line-height:16px} 8 0 obj d. mixing, Sludge Digestion & Solids Handling: Motor insulation material comes in four classes and the are based on_______, Maintenance: The standard for gases has a density of. b. hypochlorous acid The allowable voltage above or below the value stamped on a motor's nameplates is_____%, Maintenance: The Wastewater Operator Certification Program is intended to protect public health, environmental quality, and the financial investment of wastewater facilities. ._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} b. mineral oils 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? 0000045196 00000 n Wastewater Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. What condition will occur if sludge is not pumped out of primary clarifiers at regular intervals? Keyword Glossary. Disinfection: Which one of the following methods would not be used to feed DRY chemicals? c. rotating feeder 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 the motor bearings be greased in a rotating biological contactor unit? Typically, an anaerobic digester will produce about 30%-35% by volume of which gas? Wastewater sources & characteristics: 23BIbVc^(2el!jO1gXFi!20IIew"-bRZ\Z 1mnH35_l^tE+SedZIinbz0FQ&|Y1la@YuGfrg|I-'6s @LYiFag6Td[l\* Secondary Treatment: Rotating Biological Contactors: e. black Good luck. c. improve housekeeping around drying beds The color of the bio-film on a rotating biological contactor undergoing nitrification would appear? a. gravity primary effluent c. solids concentration d. about the same volume as the grit being removed. This test is designed to simulate the actual Wastewater exam as closely as possible. Regarding waste pond lab sampling, which parameter is sampled at the influent of the pond? Which one of the following types of wastewater ponds listed below is not classified like the other three? b. twice per day Waste Treatment Ponds: Why do the strings used for the lowest-frequency notes on a piano normally have wire wrapped around them? too much lime has been added, reducing gas production. USE OF CALCULATORS ON THE EXAM 10 . Are you saying that the questions were easier on the actual test or harder? d. flotation, Wastewater Solids Processing: d. hydrogen sulfide. a. organic toxicants Calculate the BOD given the information: Initial DO: 8.3. return sludge/raw wastewater, Activated Sludge: These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. b. food entering the process (solids) Approved Environment, Inc. offers 50 online continuing education (CE) courses for water and wastewater. Please upgrade to Cram Premium to create hundreds of folders! (Time of day), Waste Treatment Ponds: What is the ultimate measure of effective chlorination? a. Class 4 Wastewater IL 4.0 (1 review) Term 1 / 88 What do you do if a sewer line is plugged? Sludge Digestion & Solids Handling: Southern Illinois Univ. What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? A pond that contains oxygen in its upper layers and lacks oxygen in the bottom layer is classified as, Waste Treatment Ponds: 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? The more practice exams you do, the less stress you will feel when taking the real exam. ._3K2ydhts9_ES4s9UpcXqBi{display:block;padding:0 16px;width:100%} Took the class III exam from the ABC program yesterday and felt very under knowledge. 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. 0000001026 00000 n a. pH Wastewater sources & characteristics: c. about half the volume as the grit being removed a. potassium In general, secondary sludges: The last stage is the treatment of RMW. 0000004525 00000 n Verified questions. Odor Control: Mar. 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! Pool Chemistry Water Treatment Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. How often should the oil in the chain casing be changed? b. a little organic material d. flooding the filter, Trickling Filters: The clarity of a trickling filter's effluent is considered good when the "Secchi" disk can be read at a level of___ft, Basic Chemistry: c/ dewatering Cram has partnered with the National Tutoring Association, Conventional Wastewater Treatment Case Study, Lab Report: Phalyco-Chemical Characteristics Of Chemical Acid, How Does Hypochlorous Acid Affect A Swimming Pool. Which property uniquely identifies a chemical element? Monitor electrical equipment E.coli Test Operate safety equipment . c. secondary sludge b. screenings We'll bring you back here when you are done. 78 terms. d. positive displacement. Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. Sludge Digestion & Solids Handling: The solids treatment method usually dewaters solids by mixing them with a bulking agent and then waiting for biological stabilization to occur? at least two pipe diameters above the rim. d. remove sludge from grit channel, Odor Control: c. rotating feeder 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. BOD Effluent Disposal: c. sludge digester c. vacuum filters Campus Box 1075 - Southern Illinois Univ. The most common flow-measure device for wastewater is a_____, Wastewater Treatment Facilities: How often should the mainshaft bearings be greased in a rotating biological contactor unit? when taking a bacteria sample, the sample bottle should be filled with water. c. volatile-acid-alkalinity ratio 4 feet deep 8 feet deep 3 feet wide 7) A wet well is 9 feet deep by 21 feet in diameter. ._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} The color of the bio-film on a rotating biological contactor that has high sulfur concentrations would appear, Secondary Treatment: c. aerobic pond ABC's website provides Need to Know Criteria for exams. Waste Treatment Ponds: