0000004525 00000 n b)Determine that all the plant equipment is operational. Grade 4 Wastewater Certification Wastewater Extra Questions Grade 1 Wastewater certification review grade. d. chemical oxidation. Adequate ___BOD, ____nitrogen, ____Phosphorous ratio for microorganisms to grow is usually Aerobic ponds usually range in depth from ___-____ft, Wastewater Treatment Facilities: What do skirts provide in anaerobic digesters? Which type of feeder would most likely feed clear solutions? c. tapered aeration In a primary clarifier, the expected performance for removing settleable solids is 90-95% removal. d. chemical addition with counter masking or masking agents, chemical addition with counter masking or masking agents. 10 PPM. Sludge Digestion & Solids Handling: Introducing Cram Folders! What modified activated sludge process does not require primary treatment? Disinfection: Most algae are in the____kingdom, Activated Sludge: 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. the books are a tad overkill for the ABC tests. CA Grade 4 amp 5 Wastewater Math Part 2 of 3 YouTube. It doesn't appear in any feeds, and anyone with a direct link to it will see a message like this one. c. composting Where would toxicants least likely cause a problem for a wastewater treatment plant? 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. Wastewater Solids Processing: These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. Edwardsville, IL 62026-1075 (618) 650-2030 . c/ dewatering That may seem obvious but, too many people take the certification exam with little or no preparation. All rights reserved. b. phosphoric acid If power to a Test Center is temporarily interrupted during an administration, your examination will be restarted. Wastewater Solids Processing: c. grit + A pond that contains algae and requires the use of compressor is classified as, Waste Treatment Ponds: a. heat treatment Humus sludge is biomass from, Trickling Filters: 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? 10 7. b. reduce turbulence 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\. 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 The Wastewater Operator Certification Program is intended to protect public health, environmental quality, and the financial investment of wastewater facilities. When inserting glass tubing into a rubber hose or stopper, never use____for lubrication, Basic Chemistry: Making water clean. b. concentration what % of the dissolved solids in wastewater are inorganics, Wastewater sources & characteristics: $25 b. A problem with odors from trickling filters may be solved by: What do roller guides provide in an anaerobic digester? c. applying chlorine The wastewater operator certification program is a mandatory program. 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"}}. Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. Sludge Digestion & Solids Handling: c. COD . ._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: Basic Chemistry: b. ._12xlue8dQ1odPw1J81FIGQ{display:inline-block;vertical-align:middle} May 7th, 2018 - Revised March 2003 Illinois Environmental Protection Agency Wastewater Operator Certification If this is your first exam attempt . Determine the percentage volatile suspended solids of a sample given the following data. c. hypochlorite acid c. once per day Filter sloughings are a product of: Sedimentation and Flotation: b. extended aeration activate sludge Class 2 wastewater operator certification examination. Secondary Treatment: Typically what average percent of total solids in a domestic wastewater, both dissolved and suspended, are inorganics. Wastewater Solids Processing: IX. To see these classes - CLICK HERE. Draft tube propeller mixers are subject to corrosion from____ What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? b. screenings -high surface turbulence. Odor Control: Sludge Digestion & Solids Handling: GLOSSARY OF WASTEWATER WORDS 22-28 . Are you saying that the questions were easier on the actual test or harder? The industrial Class K (facility-specific) exam has a total of 15 questions, 5 multiple choice short answer/essay. . c. improve housekeeping around drying beds r.queue=[],r.loaded=1*new Date,r.version="1.0.0", they prevent the cover from scraping the sidewall. a. nitric acid 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? d. activated sludge, Wastewater Treatment Facilities: Wastewater Solids Processing: The allowable voltage above or below the value stamped on a motor's nameplates is_____%, Maintenance: %PDF-1.2 These questions are similar to, but not the same as, the questions you are likely to encounter on your certification exam. -pH is 7.2. Practice Exam #1 Practice Exam #1 - Answers Practice Exam #2 - Answers Practice Exam #2 Practice Exam #1 - Answers Classes will Start September 7, 2021 and meet twice per week (Tues & Thurs) for six weeks, ending on October 14, 2021. The City of Prattville is offering a new wastewater certification exam preparation course. How much of the solids should be wasted each week in the summer form a package wastewater treatment plant for the best quality? Basic Chemistry: Rotating Biological Contactors: ABC wastewater exam class III : r/Wastewater. 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 Chlorine gas has a specific gravity of, Rocks/Screens/Comminutors & Grit Removal: r.invoke.apply(r,arguments):r.queue.push(arguments)}, Water and Wastewater Courses For Operator Certification. 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