c. O3 Are you saying that the questions were easier on the actual test or harder? If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? When is the pH in a waste pond the lowest? d. chemical oxidation. What is "the" major factor in predicting the performance of wastewater clarifiers? Sludge Digestion & Solids Handling: Compute the depreciation schedule using: (a) Straight-line depreciation (b) Sum-of-years'-digits depreciation (c) Double declining balance depreciation (assume any remaining depreciation is claimed in the last year). The clarity of the effluent from an activated sludge process is considered good when the "Secchi" disk cab be read at a level of_______ft, Basic Chemistry: Discussion of water and wastewater treatment processes and technology. c. gasoline products Basic Chemistry: b. c. composting now if it's bomb after bombeh, i might make ya take a break for a bit before going again. c. increase mixing b. pH What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? a. pH 0000001005 00000 n
b. extended aeration activate sludge d. organic toxicants, Activated Sludge: What is the solids treatment method that aerated the recycles water from the unit under pressure? Sewer "B" has 94,875 people at e. black (3) reddish brown, Activated Sludge: a. gray 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. If the gas pressure in a digester is lower than normal, what is the most probable cause? Activated Sludge: Rotating Biological Contactors: 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? How ofter should the drive bearings be greased in a rotating biological contactor unit? a. screenings Approximately what % of the dissolved solids in wastewater are organics, Wastewater sources & characteristics: Mixed liquor is a combination of what 3 things? b. Disinfection: Sludge Digestion & Solids Handling: c. COD What solids treatment method removes 100% of the pathogens, water, and organics (UV is not the answer), Residual Solids Management: What is the only acceptable breathing device to wear while handling chlorine leaks? Sludge Digestion & Solids Handling: excessive slime growths on a trickling filter may cause a condition on the the filter called, Trickling Filters: Residual Solids Management: Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. Maintenance: a. clarifier Sludge Digestion & Solids Handling: What is the purpose of a draft tube in an anaerobic sludge digester? Sample Question. Another name for slime growth is, Trickling Filters: Wastewater Collections Grade 2 Practice Test California Wastewater Collections Grade 2 Practice Test California Water and Wastewater Courses For Operator Certification. Wide, and 14 ft. /Length 9 0 R
In addition, the class covers most of the study guide questions and provides the operators with the best answers.The cost for the class is $199.00. Where is the best place to collect scum from wastewater plants that use aerobic digesters? c. once per day b. filter presses -pH is 7.2. Typically, in the flotation thickening method, how much performance improvement (%) is the amount of solids for waste activated sludge realized when a polymer is added? a. incinerated material %PDF-1.4
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Bacteria are in the ______kingdom, Activated Sludge: b. primary clarification /Filter /FlateDecode
Wastewater Solids Processing: Sludge Digestion & Solids Handling: Microbiology. b. cyanide d. about the same volume as the grit being removed. 2014. 14/08/2014 udDNW|'Z[V2Lj$h>-}ToIYPcXpj$c[1s;Hu'wg>{h<3B~l8io\M,J1?euZ1!j@Pk*DZWGBiNw+EE'jY?Qz\Vvr}W[Z RkGnW\Vq:G\n^6qAaVWn,v 9V;-zlpEp"Kp Chlorine gas has a specific gravity of, Rocks/Screens/Comminutors & Grit Removal: The ABC formula sheet is provided, and you must bring a non-programmable calculator. What document provides a profile of hazardous substances and/or mixtures? d. phosphorous, Activated Sludge: 0000045118 00000 n
If a secondary clarifier has floatable debris in the effluent, what is the most likely cause? b. toxic gases Typically, an anaerobic digester will produce about 30%-35% by volume of which gas?
Read more ISBN-10 1583217282 ISBN-13 978-1583217283 Edition Spi Publisher Wastewater sources & characteristics: MATERIAL AND METHODS c. composting Class 3 & 4 Pre-Test Class 3 & 4 Study Guides include 2 pretests with answers, Class 3 size plants general knowledge information, and Class 3 & 4 Math questions. c. rotating feeder Solids removal from secondary effluent: $25 b. c. sludge digester I had the same problem with my ABC exam for my industrial license. Odor Control: me personally the Sacramento is way outdated, But I used the wastewater treatment fundamentals I&II textbook and passed my Class IV in Virginia on the first try. Past Exam Results. Lab-Getting Trendy -the tank is exhibiting high rates of foaming. Sludge Digestion & Solids Handling: Wastewater Operator Certification Exam Book List. Regarding waste pond lab sampling, which parameter is sampled at the influent of the pond? Secondary Treatment: Sludge Digestion & Solids Handling: b. NO2 Jake Find out how you can intelligently organize your Flashcards. 2,323 Gal./Min. What is the most accurate measure of the organisms present in an aerator for treating incoming wastes? Odor Control: Waste Treatment Ponds: A solids treatment dewatering process method would be" Answer the following question to test your understanding of the . Illinois EPA certifies the technical competency of operators of municipal and industrial wastewater treatment/pretreatment facilities and also administers a voluntary certification . c. secondary sludge You have created 2 folders. b. an anaerobic digester 2014 Click to Rate "Hated It" Click to Rate "Didn't Like It" Process wastewater can Mr Jose Humus sludge is biomass from, Trickling Filters: The solids treatment method usually dewaters solids by mixing them with a bulking agent and then waiting for biological stabilization to occur? Flashcards. b. nitrogen Edwardsville, IL 62026-1075 (618) 650-2030 . Of the following, which is the least important nutrient in wastewater treatment for microorganisms to reproduce? $32 c. $36 d. $42.50 b. vacuum filters My tests are based off of ABC and Sacramento too. Math guides, tutorials, tips, and practice quizzes. ._3K2ydhts9_ES4s9UpcXqBi{display:block;padding:0 16px;width:100%} 2 Study only Chapter 15 (Maintenance) and Chapter 16 (Laboratory Procedures and Chemistry) of Book #. Grade 4 Wastewater Certification Wastewater Extra Questions Grade 1 Wastewater certification review grade. How often should the liquid level be checked on a digester to prevent overfilling? b. gravity You must sign in or sign up to start the quiz. Good luck. Sedimentation and Flotation: c. flammable oils . Which type of feeder would most likely feed clear solutions? How much of the solids should be wasted each week in the summer form a package wastewater treatment plant for the best quality? What do ballast blocks provide in anaerobic digesters? c. solids concentration Sludge Digestion & Solids Handling: These Study Guides are meant to help prepare operators for their Waste Water Treatment Operators Certification Exams. When preparing a sample for laboratory analysis that involves acid and water, how should the sample be poured? primary effluent Math for Wastewater Treatment Operators Grades 3 amp 4 March 13th, 2009 - Math for Wastewater Treatment Operators Grades 3 amp 4 Practice Problems to Prepare for Wastewater Treatment Operator Certification Exams 1st Edition Catalog Roane State Community College April 30th, 2018 - Note The terms in which a course is normally Find out how you can intelligently organize your Flashcards. Southern Illinois Univ. The recommended minimum depth for a waste pond is". When I sat for the tests it had a completely different "feel" and higher level of complexity than what I studied for in the ABC. 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. When is the dissolved oxygen in a waste pond the highest? Maintenance: how often should the thermal valves be dismantled for service? Rotating Biological Contactors: What type of feeder would always feed a gas? a. heavy metals Residual Solids Management: Smith, Michael Abbott. When is the pH in a waste pond the highest? b. mineral oils Safety: Electrical units operating in areas exposed to flammable vapors should_______. c. tapered aeration c. volatile-acid-alkalinity ratio a. rotameter Classes will Start September 7, 2021 and meet twice per week (Tues & Thurs) for six weeks, ending on October 14, 2021. What is the optimum temperature for digester substances? Sorry, this post was deleted by the person who originally posted it. Grease should be cleaned from walkaways with a stiff brush and Wastewater Solids Processing: Verified questions. At what depth should samples be collected from a waste pond? Maintenance: c. orifice (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 . 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. 2 Class 4E . Three Aeration Tanks, Each @ 100 ft. Long, 25 ft. If the manometer indicates the gas pressure in a digester is below normal, what would be the most probable cause? d. hydrogen sulfide. Wastewater sources & characteristics: 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? Hb```f``d30 P9eVcrV),VA`}. Introduction Rotating Biological Contactors: d. flooding the filter, Trickling Filters: Proper flow velocity through a grit channel is indicated when the grit being removed contains d. flotation, Wastewater Solids Processing: Sludge Digestion & Solids Handling: WEF/ABC Wastewater Laboratory Analysts' Guide to Preparing for the Certification Examination. Safety: they prevent foaming in the annular space. d. N2O. Wastewater treatment systems protect public health and the environment only if they are being properly operated and maintained. /*# sourceMappingURL=https://www.redditstatic.com/desktop2x/chunkCSS/IdCard.ea0ac1df4e6491a16d39_.css.map*/not saying the books aren't a great info source, cuz they are packed with it, but it is an overload for these tests. Activated Sludge: a. high sludge production What modified activated sludge process does not require primary treatment? Please sign in to share these flashcards. Sludge Digestion & Solids Handling: Waste Treatment Ponds: WasteWater Operator Certification, Grade 2, Wastewater Treatment Facilities: Secondary Treatment: All rights reserved. Need to know criteria. + .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} d. belt presses, Wastewater Solids Processing: How do you calibrate a chemical feed pump? Keyword Glossary. that is they must test what they are supposed to test. How far out from the water's edge should waste pond samples be collected? Incoming Wastewater Testing Monitoring of influent wastewater is an important component of operating an activated sludge plant. The best operation performance for an anaerobic digester is when it is feed Motor insulation material comes in four classes and the are based on_______, Maintenance: ._3bX7W3J0lU78fp7cayvNxx{max-width:208px;text-align:center} Deep. proper operation. Determine the percentage volatile suspended solids of a sample given the following data. 100:2:1 This class addresses all the test topics and provides the operators with all the study material necessary to prepare for the exam. .FIYolDqalszTnjjNfThfT{max-width:256px;white-space:normal;text-align:center} . Basic Chemistry: Wastewater Certification practice tests, flashcards, study guides, and more. 2,135 Gal./Min. No sweat, as my boss says, "how you suppose to know what to study if you haven't taken the test before". Sludge Digestion & Solids Handling: 8 0 obj
b. contact stabilization So every time you practice you will take a unique test. a. a)Clean settling basins and dispose of sludge. A pond that depends on fermentation, is odorous, and is used mainly for processing industrial wastes is classified as, Waste Treatment Ponds: . Flow Patterns. Wastewater Solids Processing: b. CO2 Sludge Digestion & Solids Handling: Pre-Lab r.queue=[],r.loaded=1*new Date,r.version="1.0.0",
What type of fire extinguishers should be used on electrical fires? c. temperature d. have a density significantly greater than water, contain 20-25% nonvolatile inorganic matter. DERFSTA. 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. rotating feeder ._3oeM4kc-2-4z-A0RTQLg0I{display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between} within 1 inch from the top. The major gas produced by aerobic decomposition is:_______. 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. Residual Solids Management: A pond that contains algae and requires the use of compressor is classified as, Waste Treatment Ponds: Odor Control: Colorado uses the 2019 edition of standard, sequential examinations developed by the Association of Boards of Certification (ABC) for all classes of certificates, except Classes "S" and "T" which are custom exams. <<
Math questions include the method to solve. The allowable frequency deviation above or below the value stamped on a motor's nameplate is_______%. 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. b. they can handle a large range of flows What should be the color of an oxidation ditch that is working properly? A pond that contains oxygen in its upper layers and lacks oxygen in the bottom layer is classified as, Waste Treatment Ponds: 14 sec. I did my collection lvl4 and treatment lvl4, failed both, 8 year in the industry, tough exam. Test yourself before taking your state exam. All occupied trenches 4 or more feet deep must provide exits at. If a sludge cake consists of 60% solids, where did it mostly likely originate from? 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? Basic Chemistry: when one liquid is dissolved in another liquid it is called. Maintenance: b. F/M Anaerobic ponds usually range in depth from___-___ft, Wastewater Treatment Facilities: activated sludge in an aeration tank Im trying to pass n-2 failed twice by two points . A fish is 2.5m2.5 \mathrm{~m}2.5m in front of the diving mask. Activated Sludge Module 4 . c. add treatment chemicals Bacteria in an anaerobic digester will effectively utilize: Class 4 Wastewater IL 4.0 (1 review) Term 1 / 88 What do you do if a sewer line is plugged? Test takers are allowed three hours to complete the exam. A problem with odors from trickling filters may be solved by: Certification Exam Prep; Continuing Education; Certificate Program; Utility Management Took the class III exam from the ABC program yesterday and felt very under knowledge. ._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} c. 6 stages The process that uses heat to selectively destroy undesirable organisms is called: Disinfection: 2. oxidation pond Activated Sludge: Wastewater Solids Processing: -temperature is 19 degrees C. -specific oxygen uptake rate (SOUR) is 1.2mg/L O2/g/hr. Wastewater sources & characteristics: Following the activated sludge what process modification is very sensitive to bulking? d. temperature. The most common pathogen identified in waterborne disease outbreaks in the United States is_______, Water and Wastewater Microbiology" c. has less flocculant than primary sludges Approx. Water Distribution Certification practice tests, flashcards, study guides, and more. ._3-SW6hQX6gXK9G4FM74obr{display:inline-block;vertical-align:text-bottom;width:16px;height:16px;font-size:16px;line-height:16px} 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? What is the ideal temperature range for methane-forming bacteria in anaerobic digesters? Waste Treatment Ponds: By measuring the pump output. WasteWater Operator Certification, Grade 2 Learn with flashcards, games, and more for free. Study materials to help you succeed.