illinois class 4 wastewater practice test

a. potassium 0000004525 00000 n What is the difference between a weak acid and a strong acid? STUDY STRATEGY 10-13 . c. F/M ration Water Treatment Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. What should be the air gap separation between a potable water pipe and the rim of a wastewater tank? What is the solids treatment method that chemically treats the residual flow, then spread evenly over a porous belt? Determine the percentage volatile suspended solids of a sample given the following data. b. nitrogen Maintenance: 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? c. trisodium phosphate WEF/ABC/C 2 EP Wastewater Operators' Guide to Preparing for the Certification Examination. d)Test start standby pimps, motors and generators. Virtual Water workshops meet from 1:00 p.m. to 4:00 p.m. b. decrease circulation Keyword Glossary. Class 4 Wastewater IL 4.0 (1 review) Term 1 / 88 What do you do if a sewer line is plugged? Equilibrium system and stress factors 2014. d. stabilization, Wastewater Solids Processing: 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: b. contact stabilization Sludge Digestion & Solids Handling: a. flotation Wastewater Operator Certification Exam Book List. c. COD Odor Control: d. pure oxygen, Activated Sludge: d. 8 stages, Rotating Biological Contactors: Along with the practice exam you will also be able to read and learn the secret of achieving top scores on the State Exam. Calculate the BOD given the information: Initial DO: 8.3. Water and Wastewater Microbiology" d. 100:12:5, Trickling Filters: a. gravity Illinois EPA certifies the technical competency of . What is the expected range for the removal of settleable solids from a primary clarifier? No worry. What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? b. wet air oxidation What is the optimum temperature range of mesophile bacteria in anaerobic digestion? Perfect for water distribution operators taking their D-1, D-2, D3 Operator exams (DI-DIII.) c/ dewatering d. remove sludge digester, Odor Control: Residual Solids Management: (hint: the elements social CHAPTER THREE b. toxic gases You have already completed the quiz before. b. CO2 Which property uniquely identifies a chemical element? GLOSSARY OF WASTEWATER WORDS 22-28 . The effluent from which process is called mixed liquor Pre-Lab 2017 Wastewater Treatment Operator Formula/Conversion Table. .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} The ABC formula sheet is provided, and you must bring a non-programmable calculator. Sludge Digestion & Solids Handling: Create an account to follow your favorite communities and start taking part in conversations. b. vacuum filters What is the most probable cause for excessive algae in the effluent of a wastewater pond? An anaerobic sludge digester should be operated such that________________, acid formation is equal to methane formation, Sludge Digestion & Solids Handling: 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"}}. A pond that depends on fermentation, is odorous, and is used mainly for processing industrial wastes is classified as, Waste Treatment Ponds: Sludge Digestion & Solids Handling: c. complex mix aeration a. nitric acid d. flotation, Wastewater Solids Processing: 4.5 in. b. they can handle a large range of flows What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? 0000001543 00000 n 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. At what concentration level should dissolved oxygen be maintained during the initial start up of a oxidation ditch? The color of the bio-film on a rotating biological contactor that has high sulfur concentrations would appear, Secondary Treatment: the floating cover on an anaerobic should be inspected how often? Primary treatment is not required in which modified activated sludge process? Disinfection: feathr("sprinkle", "page_view"); Hence you can not start it again. d. have a density significantly greater than water, contain 20-25% nonvolatile inorganic matter. the clarifier is hydraulically overloaded, Effluent Disposal: At what depth should samples be collected from a waste pond? 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! Royceu.com is where you wanna go. IX. . Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls? If is not recommended to start up trickling filters in the _____(season) because bacteria are most ofter dormant at this time, Trickling Filters: How often should the liquid level be checked on a digester to prevent overfilling? Flashcards. Microbiology. If the sewer rate is $25 for the first 500ft and all wastewater generated over that amount is billed at the rate of $2.50 per 100ft3, how much would a customer generating 1200ft2 of wastewater be billed? An atmosphere is defined as oxygen deficient if it contains less than what % oxygen by volume? a. increase air in aeration system Questions: 26 | Attempts: 3527 | Last updated: Mar 22, 2022. The allowable voltage above or below the value stamped on a motor's nameplates is_____%, Maintenance: which one of the following wastewater solids would most likely never end up on a dedicated land disposal (DLD) site? b. screenings . 0000001026 00000 n Sewer "B" has 94,875 people at In the activated sludge system for the process control of effluent suspended solids, what is the primary controlling variable for the desired microbial population? c. acids and alkalies b. NO2 Enhanced Biological (Nutrient) Control: Rotating Biological Contactors: 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. no one is perfect and as long as you make progress, i'd be happy with the effort. Basic Concepts. Stabilization Ponds Operations Manual USEPA 430/9-77-012 What type of fire extinguishers should be used on electrical fires? Odor Control: Approved Training Provider - Indiana, Illinois, Ohio, Delaware, Alabama, Maryland, Idaho, North Carolina, South Carolina, Virginia, West Virginia, Tennessee and Kentucky. Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. c. sludge drying bed or pond The program suggests purchasing their books from Sacramento. a. contain 20-25% nonvolatile inorganic matter Please select the correct language below. All rights reserved. Humus sludge is biomass from, Trickling Filters: The plant engineer estimates the machine has a useful life of 5 years and no salvage value. Residual Solids Management: Sludge Digestion & Solids Handling: d. heavy metals, Activated Sludge: Aerobic ponds usually range in depth from ___-____ft, Wastewater Treatment Facilities: Discussion of water and wastewater treatment processes and technology. When preparing a sample for laboratory analysis that involves acid and water, how should the sample be poured? Edwardsville, IL 62026-1075 (618) 650-2030 7. Edwardsville, IL 62026-1075 (618) 650-2030 . What term describes the condition that exists when the source of the water supply is below the centerline of the pump? A wastewater [plant has a train of three rotating biological contactor (RBC) units. The purpose of the treatment is to change the biological composition or the characteristics of the waste so that it Wastewater can be formed from domestic, industrial, agricultural, commercial activities or any combination of these. The purpose of adding sodium thiosulfate to a microbiological sample bottle is to. Sludge Digestion & Solids Handling: c. BOD the books are a tad overkill for the ABC tests. I took the provided training seminars but with COVID they're all zoom . Maintenance: When is the pH in a waste pond the highest? What document provides a profile of hazardous substances and/or mixtures? And what online studies did you use? b. trickling filter a. incineration Pool Chemistry Statistics from 2019 HERE. Water Treatment Certification practice tests, flashcards, study guides, and more. Sedimentation and Flotation: Odor Control: .s5ap8yh1b4ZfwxvHizW3f{color:var(--newCommunityTheme-metaText);padding-top:5px}.s5ap8yh1b4ZfwxvHizW3f._19JhaP1slDQqu2XgT3vVS0{color:#ea0027} What substance can cause obstructions in the sewer system and may cause anaerobic decomposition where the substances accumulate? Wastewater Solids Processing: Basic Chemistry: Another name for a waste stabilization pond is, Wastewater sources & characteristics: Wastewater sources & characteristics: Usually, what is the % accuracy of a graduated cylinder and burette? Most algae are in the____kingdom, Activated Sludge: Need-to-Know Criteria outline the content that will be covered on the 2017 ABC standardized exams. THESE ARE TO HELP YOU LEARN AND APPLY THE CONCEPTS THAT WILL HELP YOU PASS A STATE EXAM. Where would toxicants least likely cause a problem for a wastewater treatment plant? What is the solids treatment method that aerated the recycles water from the unit under pressure? When an electrolyte is dissolved in water to form an ion, the ion is said to be________, Basic Chemistry: Sludge Digestion & Solids Handling: If a sludge cake consists of 60% solids, where did it mostly likely originate from? Activated Sludge: What class of fire involves sodium and magnesium? Press question mark to learn the rest of the keyboard shortcuts, https://royceu.com/Public/PracticeQuizes.aspx. d. extended aeration activated sludge. Class 4E On-Site Wastewater Certification Exam . Study Guides - Wastewater Operator Certification IEPA Topics Water Quality Wastewater Operator Certification Study Guides Exam Schedule Study Guides Class 1 Class 2 Class 3 Class 4 Operator-In-Training Class K - Industrial Collection System For more information contact: Dianne Potter at 217-782-9720 Class K Study Guide Industrial Wastewater Operator Certification . c. 6 stages d. flood the filter. Each of the Practice Exams is a multiple choice test (50 questions). ._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} Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. If the level falls in 10.3 min. TABLE OF CONTENTS . The industrial Class Kand 10 -WR (general) exam has a total of 14 questions, 7 multiple choice and 7 short answer/essay. d. temperature. The wastewater operator certification program is a mandatory program. Wastewater Certification practice tests, flashcards, study guides, and more. b. complete mix aeration Study Guide . a. pH 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 What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? b. twice per day So every time you practice you will take a unique test. What is the only acceptable breathing device to wear while handling chlorine leaks? 100:2:1 Waste Treatment Ponds: A pond that contains oxygen in its upper layers and lacks oxygen in the bottom layer is classified as, Waste Treatment Ponds: activated sludge in an aeration tank a. hair If power to a Test Center is temporarily interrupted during an administration, your examination will be restarted.

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