Lab-Getting Trendy how much surface area of a rotating biological contactor is immerses in the wastewater? Name the type of centrifuge that uses a knife or plow insertion to scrap off the "cake" from its walls? now if it's bomb after bombeh, i might make ya take a break for a bit before going again. Enhanced Biological (Nutrient) Control: What is the solids treatment method that chemically treats the residual flow, then spread evenly over a porous belt? What is the difference between a weak acid and a strong acid? 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 a.secondary clarification Safety: There are 22 individual lesson modules included in this course. Where is the best place to collect scum from wastewater plants that use aerobic digesters? Which one of the following is not a major solids treatment method? Residual Solids Management: also, i wouldn't be worried about retesting. a. primary clarifier Activated Sludge Module 2 . 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. Water Treatment Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. Wastewater Solids Processing: by coe1069, directs raw and digested sludge mixture to a heating area. The standard for gases has a density of. Motor insulation material comes in four classes and the are based on_______, Maintenance: Please find links to the Certification Information Pages below for each state: Alabama - http://www.adem.state.al.us/programs/water/opcertification.cnt Alaska - Mixed liquor is a combination of what 3 things? Class 2 Wastewater Test Questions fullexams com. VIII. What is the solids treatment method that aerated the recycles water from the unit under pressure? d. chemical oxidation, Wastewater Solids Processing: . while the pump is running, what is the pump rate in GPM? Class 4 Study Guide Wastewater Operator Certification . b. primary clarification The industrial Class Kand 10 -WR (general) exam has a total of 14 questions, 7 multiple choice and 7 short answer/essay. 3 Study only Chapter 16 (Laboratory Procedures and Chemistry) of Book #2. Wastewater sources & characteristics: If a sludge cake consists of 60% solids, where did it mostly likely originate from? Wastewater Tougher Questions wastewater grade 1 Wastewater Certification Grade 2 Flashcards Wastewater Grade 4 Questions Wastewater Grade 4 Questions by coe1069 , Mar. Odor Control: How often should the liquid level be checked on a digester to prevent overfilling? ._2a172ppKObqWfRHr8eWBKV{-ms-flex-negative:0;flex-shrink:0;margin-right:8px}._39-woRduNuowN7G4JTW4I8{margin-top:12px}._136QdRzXkGKNtSQ-h1fUru{display:-ms-flexbox;display:flex;margin:8px 0;width:100%}.r51dfG6q3N-4exmkjHQg_{font-size:10px;font-weight:700;letter-spacing:.5px;line-height:12px;text-transform:uppercase;-ms-flex-pack:justify;justify-content:space-between;-ms-flex-align:center;align-items:center}.r51dfG6q3N-4exmkjHQg_,._2BnLYNBALzjH6p_ollJ-RF{display:-ms-flexbox;display:flex}._2BnLYNBALzjH6p_ollJ-RF{margin-left:auto}._1-25VxiIsZFVU88qFh-T8p{padding:0}._2nxyf8XcTi2UZsUInEAcPs._2nxyf8XcTi2UZsUInEAcPs{color:var(--newCommunityTheme-widgetColors-sidebarWidgetTextColor)} Certification Exam Prep; Continuing Education; Certificate Program; Utility Management every month. Microbiology. 2,135 Gal./Min. Wide, and 14 ft. What substance can cause obstructions in the sewer system and may cause anaerobic decomposition where the substances accumulate? a. c)Replenish chemical stock. How often should the oil in the chain casing be changed? Maintenance: If a wastewater treatment plant has four aerobic digesters operated in series, which tank will exert the highest oxygen demand? h=e.getElementsByTagName("head")[0]||e.getElementsByTagName("script")[0].parentNode; Usually, what is the % accuracy of a graduated cylinder and burette? 0000001026 00000 n Sludge Digestion & Solids Handling: Practice Exam #1 Practice Exam #1 - Answers Practice Exam #2 - Answers Practice Exam #2 Practice Exam #1 - Answers Sedimentation and Flotation: Waste Treatment Ponds: A solids treatment dewatering process method would be" 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"}}. Typically, an anaerobic digester will produce about 30%-35% by volume of which gas? What is WEF? Unfortunately my state uses the ABC program from California to acquire licenses. Answer the following question to test your understanding of the . b. correct faulty plant operation These questions are similar to, but not the same as, the questions you are likely to encounter on your certification exam. Tightened down to a drip. Sludge Digestion & Solids Handling: . Thanks for your reply! Electrical units operating in areas exposed to flammable vapors should_______. H}Wr8[$HB$"&.ZO*JJ4p8(To>|H^sGGrB*G*f%G. Wastewater Collections Grade 2 Practice Test California Wastewater Collections Grade 2 Practice Test California Water and Wastewater Courses For Operator Certification. Test takers are allowed three hours to complete the exam. Waste Treatment Ponds: b. concentration 0000001543 00000 n 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! All rights reserved. . Waste Treatment Ponds: What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? The ABC formula sheet is provided, and you must bring a non-programmable calculator. I did my collection lvl4 and treatment lvl4, failed both, 8 year in the industry, tough exam. 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. d. stabilization, Wastewater Solids Processing: What type of feeder would always feed a gas? Virtual Water workshops meet from 1:00 p.m. to 4:00 p.m. Sludge Digestion & Solids Handling: . Math guides, tutorials, tips, and practice quizzes. what would happen if too much sludge was added to an anaerobic digester? What solids treatment method removes 100% of the pathogens, water, and organics (UV is not the answer), Residual Solids Management: Microorganisms that are methane fermenters will only produce in the pH range of, Sludge Digestion & Solids Handling: Calculate the BOD given the information: Initial DO: 8.3. Wastewater Solids Processing: ._2ik4YxCeEmPotQkDrf9tT5{width:100%}._1DR1r7cWVoK2RVj_pKKyPF,._2ik4YxCeEmPotQkDrf9tT5{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}._1DR1r7cWVoK2RVj_pKKyPF{-ms-flex-pack:center;justify-content:center;max-width:100%}._1CVe5UNoFFPNZQdcj1E7qb{-ms-flex-negative:0;flex-shrink:0;margin-right:4px}._2UOVKq8AASb4UjcU1wrCil{height:28px;width:28px;margin-top:6px}.FB0XngPKpgt3Ui354TbYQ{display:-ms-flexbox;display:flex;-ms-flex-align:start;align-items:flex-start;-ms-flex-direction:column;flex-direction:column;margin-left:8px;min-width:0}._3tIyrJzJQoNhuwDSYG5PGy{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;width:100%}.TIveY2GD5UQpMI7hBO69I{font-size:12px;font-weight:500;line-height:16px;color:var(--newRedditTheme-titleText);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.e9ybGKB-qvCqbOOAHfFpF{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;width:100%;max-width:100%;margin-top:2px}.y3jF8D--GYQUXbjpSOL5.y3jF8D--GYQUXbjpSOL5{font-weight:400;box-sizing:border-box}._28u73JpPTG4y_Vu5Qute7n{margin-left:4px} a. incinerated material ._12xlue8dQ1odPw1J81FIGQ{display:inline-block;vertical-align:middle} Basic Chemistry: c. hypochlorite acid A problem with odors from trickling filters may be solved by: 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. d. plunger feeder, Solids removal from secondary effluent: b. bleach Discussion of water and wastewater treatment processes and technology. (Time of day), Waste Treatment Ponds: feathr("fly", "5e558ae66f594e4be753166e"); b. To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? Safety: c. add treatment chemicals Sludge Digestion & Solids Handling: Approved Training Provider - Indiana, Illinois, Ohio, Delaware, Alabama, Maryland, Idaho, North Carolina, South Carolina, Virginia, West Virginia, Tennessee and Kentucky. Sludge Digestion & Solids Handling: 0000001180 00000 n Wastewater sources & characteristics: Sedimentation and Flotation: ABC wastewater exam class III : r/Wastewater. 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\. Activated Sludge: Residual Solids Management: This stage takes care of the dissolved organic matter that escapes the primary stage. when taking a bacteria sample, the sample bottle should be filled with water. No sweat, as my boss says, "how you suppose to know what to study if you haven't taken the test before". What type of pond would receive wastewater form a secondary treatment system? Which method would not be used to feed LIQUID chemicals? a. heat treatment ._1QwShihKKlyRXyQSlqYaWW{height:16px;width:16px;vertical-align:bottom}._2X6EB3ZhEeXCh1eIVA64XM{margin-left:3px}._1jNPl3YUk6zbpLWdjaJT1r{font-size:12px;font-weight:500;line-height:16px;border-radius:2px;display:inline-block;margin-right:5px;overflow:hidden;text-overflow:ellipsis;vertical-align:text-bottom;white-space:pre;word-break:normal;padding:0 4px}._1jNPl3YUk6zbpLWdjaJT1r._39BEcWjOlYi1QGcJil6-yl{padding:0}._2hSecp_zkPm_s5ddV2htoj{font-size:12px;font-weight:500;line-height:16px;border-radius:2px;display:inline-block;margin-right:5px;overflow:hidden;text-overflow:ellipsis;vertical-align:text-bottom;white-space:pre;word-break:normal;margin-left:0;padding:0 4px}._2hSecp_zkPm_s5ddV2htoj._39BEcWjOlYi1QGcJil6-yl{padding:0}._1wzhGvvafQFOWAyA157okr{font-size:12px;font-weight:500;line-height:16px;border-radius:2px;margin-right:5px;overflow:hidden;text-overflow:ellipsis;vertical-align:text-bottom;white-space:pre;word-break:normal;box-sizing:border-box;line-height:14px;padding:0 4px}._3BPVpMSn5b1vb1yTQuqCRH,._1wzhGvvafQFOWAyA157okr{display:inline-block;height:16px}._3BPVpMSn5b1vb1yTQuqCRH{background-color:var(--newRedditTheme-body);border-radius:50%;margin-left:5px;text-align:center;width:16px}._2cvySYWkqJfynvXFOpNc5L{height:10px;width:10px}.aJrgrewN9C8x1Fusdx4hh{padding:2px 8px}._1wj6zoMi6hRP5YhJ8nXWXE{font-size:14px;padding:7px 12px}._2VqfzH0dZ9dIl3XWNxs42y{border-radius:20px}._2VqfzH0dZ9dIl3XWNxs42y:hover{opacity:.85}._2VqfzH0dZ9dIl3XWNxs42y:active{transform:scale(.95)} It makes it a lot more challenging when, say, your system is just lagoons and they are asking questions about advanced processes. d. brown Back to CCWP - Steps to becoming certified. What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed?