Class K Study Guide Industrial Wastewater Operator Certification . Of the following, which is the least important nutrient in wastewater treatment for microorganisms to reproduce? What can be done to the trickling filter to solve high effluent suspended solids? What is the most probable cause for excessive algae in the effluent of a wastewater pond? Rotating Biological Contactors: How often should flame arresters be service on anaerobic digesters? The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. In the activated sludge system for the process control of effluent suspended solids, what is the primary controlling variable for the desired microbial population? During the exam, . . What is the solids treatment method that aerated the recycles water from the unit under pressure? DO 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. Note: The Grade 7 Upgrade Application must be mailed to the Commonwealth of Mass, as shown on the form. ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. -the tank is exhibiting high rates of foaming. Sedimentation and Flotation: Wastewater Solids Processing: Wastewater sources & characteristics: d. heavy metals, Activated Sludge: Collection Class 3; Collection Class 4 - most advanced level Small wastewater system operators oversee wastewater systems serving fewer than 3,300 persons. Draft tube propeller mixers are subject to corrosion from____ If you want more practice problems, click here . Hence you can not start it again. %PDF-1.4 % What is the chemical formula for sulfuric acid? Water and Wastewater Microbiology" You have already completed the quiz before. Click the card to flip Definition 1 / 88 Look for a manhole with reduced or no flow when the manhole upstream is flowing full Click the card to flip Flashcards Learn Match Created by cshe1736 Terms in this set (88) c. about half the volume as the grit being removed May 7th, 2018 - Revised March 2003 Illinois Environmental Protection Agency Wastewater Operator Certification If this is your first exam attempt . 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 If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? Typically, an anaerobic digester will produce about 30%-35% by volume of which gas? b. A pond that contains oxygen in its upper layers and lacks oxygen in the bottom layer is classified as, Waste Treatment Ponds: name the laboratory glassware that can be used to heat liquids in an open flame? For an examinee or testing client unfamiliar with the Association of Boards of Certification's computerized exams, Experience ABC's Computerized Exams gives a closer look. c. gasoline products For more practice problems: https://www.waterandwastewatercourses.com/To enroll in an online course: https://courses.waterandwastewatercourses.com/Grade 1: . Wastewater Tougher Questions wastewater grade 1 Wastewater Certification Grade 2 Flashcards Wastewater Grade 4 Questions Wastewater Grade 4 Questions by coe1069 , Mar. Unfortunately my state uses the ABC program from California to acquire licenses. True. If the level falls in 10.3 min. Waste Treatment Ponds: What substance can cause obstructions in the sewer system and may cause anaerobic decomposition where the substances accumulate? The Wastewater Operator Certification Program is intended to protect public health, environmental quality, and the financial investment of wastewater facilities. Its a 2 year old post and have then since passed my 3 and ready to take my 4 next year. Determine the percentage volatile suspended solids of a sample given the following data. c. power requirements are low 4 You have to finish following quiz, to start this quiz: When organic wastes are discharged to receiving water, oxygen is depleted by. Best of luck you! Wastewater Class 2 multiple choice. A pond that depends on fermentation, is odorous, and is used mainly for processing industrial wastes is classified as, Waste Treatment Ponds: Which method would not be used to feed LIQUID chemicals? $32 c. $36 d. $42.50 Answer the following question to test your understanding of the . b. wet air oxidation c. increase mixing + Every test is created from a pool of possible water distribution questions. a. incinerated material Pass your test the first time! Approx. H2SO4. Tightened down to a drip. If there is a leak from a valve on a sulfur dioxide tank and the lead is found using ammonia, what color will the vapor fumes be? Sedimentation and Flotation: b. toxic gases b. decrease circulation a. nitric acid (Time of day), Waste Treatment Ponds: Verified questions. Sludge Digestion & Solids Handling: Sludge Digestion & Solids Handling: a. thickening b. mineral oils r.invoke.apply(r,arguments):r.queue.push(arguments)}, Which one of the following types of substance is not soluble in water and has the potential of creating explosive conditions? d. scum, Residual Solids Management: ._2cHgYGbfV9EZMSThqLt2tx{margin-bottom:16px;border-radius:4px}._3Q7WCNdCi77r0_CKPoDSFY{width:75%;height:24px}._2wgLWvNKnhoJX3DUVT_3F-,._3Q7WCNdCi77r0_CKPoDSFY{background:var(--newCommunityTheme-field);background-size:200%;margin-bottom:16px;border-radius:4px}._2wgLWvNKnhoJX3DUVT_3F-{width:100%;height:46px} 2. oxidation pond b. correct faulty plant operation 10 PPM. Basic Chemistry: % STUDY STRATEGY 10-13 . The City of Prattville is offering a new wastewater certification exam preparation course. Safety: Disinfection: 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 To what pH should wastewater be raised to halt sulfide production and inhibit sludge growth and biological slimes? a. gray a. contain 20-25% nonvolatile inorganic matter How often should the oil in the chain casing be changed? Anaerobic ponds usually range in depth from___-___ft, Wastewater Treatment Facilities: The water quality parameters of pH and alkalinity and the presence of toxic substances can impact plant operation, because of their .c_dVyWK3BXRxSN3ULLJ_t{border-radius:4px 4px 0 0;height:34px;left:0;position:absolute;right:0;top:0}._1OQL3FCA9BfgI57ghHHgV3{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;-ms-flex-pack:start;justify-content:flex-start;margin-top:32px}._1OQL3FCA9BfgI57ghHHgV3 ._33jgwegeMTJ-FJaaHMeOjV{border-radius:9001px;height:32px;width:32px}._1OQL3FCA9BfgI57ghHHgV3 ._1wQQNkVR4qNpQCzA19X4B6{height:16px;margin-left:8px;width:200px}._39IvqNe6cqNVXcMFxFWFxx{display:-ms-flexbox;display:flex;margin:12px 0}._39IvqNe6cqNVXcMFxFWFxx ._29TSdL_ZMpyzfQ_bfdcBSc{-ms-flex:1;flex:1}._39IvqNe6cqNVXcMFxFWFxx .JEV9fXVlt_7DgH-zLepBH{height:18px;width:50px}._39IvqNe6cqNVXcMFxFWFxx ._3YCOmnWpGeRBW_Psd5WMPR{height:12px;margin-top:4px;width:60px}._2iO5zt81CSiYhWRF9WylyN{height:18px;margin-bottom:4px}._2iO5zt81CSiYhWRF9WylyN._2E9u5XvlGwlpnzki78vasG{width:230px}._2iO5zt81CSiYhWRF9WylyN.fDElwzn43eJToKzSCkejE{width:100%}._2iO5zt81CSiYhWRF9WylyN._2kNB7LAYYqYdyS85f8pqfi{width:250px}._2iO5zt81CSiYhWRF9WylyN._1XmngqAPKZO_1lDBwcQrR7{width:120px}._3XbVvl-zJDbcDeEdSgxV4_{border-radius:4px;height:32px;margin-top:16px;width:100%}._2hgXdc8jVQaXYAXvnqEyED{animation:_3XkHjK4wMgxtjzC1TvoXrb 1.5s ease infinite;background:linear-gradient(90deg,var(--newCommunityTheme-field),var(--newCommunityTheme-inactive),var(--newCommunityTheme-field));background-size:200%}._1KWSZXqSM_BLhBzkPyJFGR{background-color:var(--newCommunityTheme-widgetColors-sidebarWidgetBackgroundColor);border-radius:4px;padding:12px;position:relative;width:auto} 0000001180 00000 n c. a biological process Good luck. Class 4 Study Guide Wastewater Operator Certification . Thanks for your reply! Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. d. dissolved oxygen, Wastewater Solids Processing: Wastewater Treatment Operator Certification Exam - 4 Practice Problems Water and Wastewater Courses 6.18K subscribers Subscribe 86K views 5 years ago For practice exams:. b. F/M What is the ideal temperature range for methane-forming bacteria in anaerobic digesters? Complete the test and know your score instantly. at least two pipe diameters above the rim. Create an account to follow your favorite communities and start taking part in conversations. c. composting Wastewater Works Operator Class 4 Wastewater Treatment Operator Class I - 2017 Edition Wastewater Treatment Wastewater Treatment, Collection, Industrial . _____? c. BOD (22.60 g 21.03 g) (21.75 g 21.03 g), Click to share on LinkedIn (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email this to a friend (Opens in new window), Practice Question: Temperature Affect on Denitrification, Practice Question: Water System Evaluation. 50 terms. -all blowers are running. 23BIbVc^(2el!jO1gXFi!20IIew"-bRZ\Z 1mnH35_l^tE+SedZIinbz0FQ&|Y1la@YuGfrg|I-'6s @LYiFag6Td[l\* c. flammable oils while the pump is running, what is the pump rate in GPM? anatomy and physiology. 50%. c. volatile-acid-alkalinity ratio d. organisms available to treat the wastes, Activated Sludge: b. vibrating trough How ofter should the drive bearings be greased in a rotating biological contactor unit? what % of the dissolved solids in wastewater are inorganics, Wastewater sources & characteristics: Activated Sludge: ABC Certification - Testing Services - Membership - Conference/Calendar - Certification Contacts - Continuing Education Review - About Us - Contact Us. Deep. a. rotameter d. 8 stages, Rotating Biological Contactors: Activated Sludge Module 1 . c. O3 A solids treatment stabilization process method would be: Non -sewage: This is discharged by manufacturing processes and commercial enterprises. Stabilization Ponds Operations Manual USEPA 430/9-77-012 Waste Treatment Ponds: the floating cover on an anaerobic should be inspected how often? The exam questions were developed by experts in the wastewater field. Rotating Biological Contactors: 0000001005 00000 n Virtual Workshop Schedule; Date Title Location Cost; 1/9-1/13: Class D & C Water: . Another solids treatment thickening process would be: The industrial Class K (facility-specific) exam has a total of 15 questions, 5 multiple choice short answer/essay. Electrical units operating in areas exposed to flammable vapors should_______. Sludge Digestion & Solids Handling: ._9ZuQyDXhFth1qKJF4KNm8{padding:12px 12px 40px}._2iNJX36LR2tMHx_unzEkVM,._1JmnMJclrTwTPpAip5U_Hm{font-size:16px;font-weight:500;line-height:20px;color:var(--newCommunityTheme-bodyText);margin-bottom:40px;padding-top:4px;text-align:left;margin-right:28px}._2iNJX36LR2tMHx_unzEkVM{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex}._2iNJX36LR2tMHx_unzEkVM ._24r4TaTKqNLBGA3VgswFrN{margin-left:6px}._306gA2lxjCHX44ssikUp3O{margin-bottom:32px}._1Omf6afKRpv3RKNCWjIyJ4{font-size:18px;font-weight:500;line-height:22px;border-bottom:2px solid var(--newCommunityTheme-line);color:var(--newCommunityTheme-bodyText);margin-bottom:8px;padding-bottom:8px}._2Ss7VGMX-UPKt9NhFRtgTz{margin-bottom:24px}._3vWu4F9B4X4Yc-Gm86-FMP{border-bottom:1px solid var(--newCommunityTheme-line);margin-bottom:8px;padding-bottom:2px}._3vWu4F9B4X4Yc-Gm86-FMP:last-of-type{border-bottom-width:0}._2qAEe8HGjtHsuKsHqNCa9u{font-size:14px;font-weight:500;line-height:18px;color:var(--newCommunityTheme-bodyText);padding-bottom:8px;padding-top:8px}.c5RWd-O3CYE-XSLdTyjtI{padding:8px 0}._3whORKuQps-WQpSceAyHuF{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-actionIcon);margin-bottom:8px}._1Qk-ka6_CJz1fU3OUfeznu{margin-bottom:8px}._3ds8Wk2l32hr3hLddQshhG{font-weight:500}._1h0r6vtgOzgWtu-GNBO6Yb,._3ds8Wk2l32hr3hLddQshhG{font-size:12px;line-height:16px;color:var(--newCommunityTheme-actionIcon)}._1h0r6vtgOzgWtu-GNBO6Yb{font-weight:400}.horIoLCod23xkzt7MmTpC{font-size:12px;font-weight:400;line-height:16px;color:#ea0027}._33Iw1wpNZ-uhC05tWsB9xi{margin-top:24px}._2M7LQbQxH40ingJ9h9RslL{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-actionIcon);margin-bottom:8px} a. What is the optimum temperature for digester substances? WEF/ABC Wastewater Laboratory Analysts' Guide to Preparing for the Certification Examination. -the tank is exhibiting high rates of foaming. 1. Jake I did my collection lvl4 and treatment lvl4, failed both, 8 year in the industry, tough exam. a. gravity a. pH 1. CA Grade 4 amp 5 Wastewater Math Part 2 of 3 YouTube. b. bleach d. about the same volume as the grit being removed. If a secondary clarifier has floatable debris in the effluent, what is the most likely cause? @keyframes _1tIZttmhLdrIGrB-6VvZcT{0%{opacity:0}to{opacity:1}}._3uK2I0hi3JFTKnMUFHD2Pd,.HQ2VJViRjokXpRbJzPvvc{--infoTextTooltip-overflow-left:0px;font-size:12px;font-weight:500;line-height:16px;padding:3px 9px;position:absolute;border-radius:4px;margin-top:-6px;background:#000;color:#fff;animation:_1tIZttmhLdrIGrB-6VvZcT .5s step-end;z-index:100;white-space:pre-wrap}._3uK2I0hi3JFTKnMUFHD2Pd:after,.HQ2VJViRjokXpRbJzPvvc:after{content:"";position:absolute;top:100%;left:calc(50% - 4px - var(--infoTextTooltip-overflow-left));width:0;height:0;border-top:3px solid #000;border-left:4px solid transparent;border-right:4px solid transparent}._3uK2I0hi3JFTKnMUFHD2Pd{margin-top:6px}._3uK2I0hi3JFTKnMUFHD2Pd:after{border-bottom:3px solid #000;border-top:none;bottom:100%;top:auto} What term describes the condition that exists when the source of the water supply is below the centerline of the pump? b. yellow When is the pH in a waste pond the highest? Most algae are in the____kingdom, Activated Sludge: Pool Chemistry 2,380 Gal./Min. Which property uniquely identifies a chemical element? Add to folder acid fermentaters would predominate and pH would decrease, Sludge Digestion & Solids Handling: -all blowers are running. Always pour the acid into the water. when one liquid is dissolved in another liquid it is called. d. flotation, Wastewater Solids Processing: a. heavy metals A problem with odors from trickling filters may be solved by: Rotating Biological Contactors: d. phosphorous, Activated Sludge: a. high sludge production Safety: b. using masking agents Sludge Digestion & Solids Handling: Which one of the following ius the least important in the successful operation of an activated sludge plant? b. oils and greases Because water samples sometimes require repeat or backup tests, the amount of sample that should collected for samples that are preserved and transported for any particular analysis should be at least____times the amount for those analysis, Effluent Disposal: Sludge Digestion & Solids Handling: Sludge Digestion & Solids Handling:
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