illinois class 4 wastewater practice test

Please find links to the Certification Information Pages below for each state: Alabama - http://www.adem.state.al.us/programs/water/opcertification.cnt Alaska - a. reducing the number if weeds d. about the same volume as the grit being removed. What do roller guides provide in an anaerobic digester? 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? Sludge Digestion & Solids Handling: every month. Tightened down to a drip. 0000002114 00000 n b. primary clarification d. step aeration, Activated Sludge: Where is the best place to collect scum from wastewater plants that use aerobic digesters? If an induction motor is rated at 40 amps for a full-load current, what will be the most probable starting sequence amps required? Activated Sludge: Making water clean. Low-temperature water can be compensated for when using alum by______, Basic Chemistry: d. preaeration. ._3Z6MIaeww5ZxzFqWHAEUxa{margin-top:8px}._3Z6MIaeww5ZxzFqWHAEUxa ._3EpRuHW1VpLFcj-lugsvP_{color:inherit}._3Z6MIaeww5ZxzFqWHAEUxa svg._31U86fGhtxsxdGmOUf3KOM{color:inherit;fill:inherit;padding-right:8px}._3Z6MIaeww5ZxzFqWHAEUxa ._2mk9m3mkUAeEGtGQLNCVsJ{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:18px;color:inherit} Bacteria in an anaerobic digester will effectively utilize: Which one of the following is the best type of valve to use to dampen a water hammer? V. WHAT OPERATORS NEED TO KNOW 3-9 . Rotating biological contactors are adversely affected by temperatures below_____degree F. Rotating Biological Contactors: You have already completed the quiz before. c. sludge age What solids treatment method removes 100% of the pathogens, water, and organics (UV is not the answer), Residual Solids Management: Grease should be cleaned from walkaways with a stiff brush and How often should the liquid level be checked on a digester to prevent overfilling? Residual Solids Management: 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) Safety: @keyframes ibDwUVR1CAykturOgqOS5{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}._3LwT7hgGcSjmJ7ng7drAuq{--sizePx:0;font-size:4px;position:relative;text-indent:-9999em;border-radius:50%;border:4px solid var(--newCommunityTheme-bodyTextAlpha20);border-left-color:var(--newCommunityTheme-body);transform:translateZ(0);animation:ibDwUVR1CAykturOgqOS5 1.1s linear infinite}._3LwT7hgGcSjmJ7ng7drAuq,._3LwT7hgGcSjmJ7ng7drAuq:after{width:var(--sizePx);height:var(--sizePx)}._3LwT7hgGcSjmJ7ng7drAuq:after{border-radius:50%}._3LwT7hgGcSjmJ7ng7drAuq._2qr28EeyPvBWAsPKl-KuWN{margin:0 auto} Sludge Digestion & Solids Handling: The water quality parameters of pH and alkalinity and the presence of toxic substances can impact plant operation, because of their Rotating Biological Contactors: The recommended minimum depth for a waste pond is". The standard for gases has a density of. d. brown Following the activated sludge what process modification is very sensitive to bulking? that is they must test what they are supposed to test. ._3K2ydhts9_ES4s9UpcXqBi{display:block;padding:0 16px;width:100%} they prevent the cover from scraping the sidewall. Filter sloughings are a product of: Sedimentation and Flotation: c. gasoline products How many steps are the in coagulation? Secondary Treatment: 2 Class 4E . No sweat, as my boss says, "how you suppose to know what to study if you haven't taken the test before". b. mineral oils c. about half the volume as the grit being removed Mar. ._1aTW4bdYQHgSZJe7BF2-XV{display:-ms-grid;display:grid;-ms-grid-columns:auto auto 42px;grid-template-columns:auto auto 42px;column-gap:12px}._3b9utyKN3e_kzVZ5ngPqAu,._21RLQh5PvUhC6vOKoFeHUP{font-size:16px;font-weight:500;line-height:20px}._21RLQh5PvUhC6vOKoFeHUP:before{content:"";margin-right:4px;color:#46d160}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{display:inline-block;word-break:break-word}._22W-auD0n8kTKDVe0vWuyK{font-weight:500}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{font-size:12px;line-height:16px}._244EzVTQLL3kMNnB03VmxK{font-weight:400;color:var(--newCommunityTheme-metaText)}._2xkErp6B3LSS13jtzdNJzO{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;margin-top:13px;margin-bottom:2px}._2xkErp6B3LSS13jtzdNJzO ._22W-auD0n8kTKDVe0vWuyK{font-size:12px;font-weight:400;line-height:16px;margin-right:4px;margin-left:4px;color:var(--newCommunityTheme-actionIcon)}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y{border-radius:4px;box-sizing:border-box;height:21px;width:21px}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(2),._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(3){margin-left:-9px} Activated Sludge: 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 Sludge Digestion & Solids Handling: }(window,document,"script","https://cdn.feathr.co/js/boomerang.min.js","feathr"); What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? Sludge Digestion & Solids Handling: a. gray 0000045118 00000 n Practice Tests. THESE ARE TO HELP YOU LEARN AND APPLY THE CONCEPTS THAT WILL HELP YOU PASS A STATE EXAM. What is the optimum temperature for digester substances? -the tank is exhibiting high rates of foaming. c. BOD Royceu.com is where you wanna go. Solids removal from secondary effluent: ABC's website provides Need to Know Criteria for exams. a)Clean settling basins and dispose of sludge. 14 sec. DO The most common pathogen identified in waterborne disease outbreaks in the United States is_______, Water and Wastewater Microbiology" The last stage is the treatment of RMW. d. chemical oxidation, Wastewater Solids Processing: c. add treatment chemicals You have to finish following quiz, to start this quiz: When organic wastes are discharged to receiving water, oxygen is depleted by. My score on the exam was a B+ for the level one, my score for other exams have been much better. Pools with crystal clear water look inviti Use LEFT and RIGHT arrow keys to navigate between flashcards; Use UP and DOWN arrow keys to flip the card; audio not yet available for this language. a. heat treatment a. Sludge Digestion & Solids Handling: The passing grade is 70%. Another name for a waste stabilization pond is, Wastewater sources & characteristics: 3 stages You have created 2 folders. d. stabilization, Wastewater Solids Processing: Basic Chemistry: d. flood the filter. Secondary Treatment: Basic Chemistry: b. pH What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? 122 terms. The plant engineer estimates the machine has a useful life of 5 years and no salvage value. Basic Chemistry: a. contain 20-25% nonvolatile inorganic matter What type of fire extinguishers should be used on electrical fires? The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. What is the proper emergency chlorine kit for a 1-ton chlorine cylinder? What do skirts provide in anaerobic digesters? a. .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} a. nitrate c. green d. heavy metals, Activated Sludge: b. concentration Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. directs raw and digested sludge mixture to a heating area. Hydrogen Sulfide will exist in a system depending on the presence or absence of_____. c. power requirements are low feathr("sprinkle", "page_view"); How often should the oil in the chain casing be changed? b. yellow when taking a bacteria sample, the sample bottle should be filled with water. + How often should the mainshaft bearings be greased in a rotating biological contactor unit? b. cyanide A solids treatment dewatering process method would be" Discussion of water and wastewater treatment processes and technology. Note: The Grade 7 Upgrade Application must be mailed to the Commonwealth of Mass, as shown on the form. What would be the most probable cause for gas leaking through the pressure relief valve on the digester's roof? ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. 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. The RX Drug Company has just purchased a capsulating machine for $76,000. VI. b. decanter the books are a tad overkill for the ABC tests. Introduction We'll bring you back here when you are done. Wastewater Class 2 multiple choice. << I also recommend these practice test to my coworkers. What is the difference between a weak acid and a strong acid? a. rotameter That may seem obvious but, too many people take the certification exam with little or no preparation. The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. a. detergent Activated Sludge: Hence you can not start it again. d. DO. Draft tube propeller mixers are subject to corrosion from____ 5,$>/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\. c. solids concentration Available to Treatment and Distribution Members. Which property uniquely identifies a chemical element? b. correct faulty plant operation Solids removal from secondary effluent: The process that uses heat to selectively destroy undesirable organisms is called: Disinfection: 14/08/2014 now if it's bomb after bombeh, i might make ya take a break for a bit before going again. Aerobic ponds usually range in depth from ___-____ft, Wastewater Treatment Facilities: Effluent Disposal: How many stages are usually present in the rotating biological contactor process? Water and Wastewater Microbiology" Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. The exam consists of 100 multiple choice questions. d. dissolved oxygen, Wastewater Solids Processing: c/ dewatering b. toxic gases This means that each wastewater treatment facility in Illinois is required to be operated by a wastewater operator who is certified at or above the certification level required for the treatment facility. 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. IEPA Frequently Asked Questions - http://www.epa.illinois.gov/topics/drinking-water/operator-certification/faq/index 2022 Water Operator Exam Schedule Still have questions not answered here?? Wastewater Solids Processing: which type of centrifuge uses an other screw conveyor to move the solids to the discharge point? What substance can cause obstructions in the sewer system and may cause anaerobic decomposition where the substances accumulate? This solids treatment method maximizes the reduction of moisture and solids is called_______, Wastewater Solids Processing: c. improve housekeeping around drying beds When is the dissolved oxygen in a waste pond the highest? Sludge Digestion & Solids Handling: 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. . (2) reddish brown This stage takes care of the dissolved organic matter that escapes the primary stage. .Rd5g7JmL4Fdk-aZi1-U_V{transition:all .1s linear 0s}._2TMXtA984ePtHXMkOpHNQm{font-size:16px;font-weight:500;line-height:20px;margin-bottom:4px}.CneW1mCG4WJXxJbZl5tzH{border-top:1px solid var(--newRedditTheme-line);margin-top:16px;padding-top:16px}._11ARF4IQO4h3HeKPpPg0xb{transition:all .1s linear 0s;display:none;fill:var(--newCommunityTheme-button);height:16px;width:16px;vertical-align:middle;margin-bottom:2px;margin-left:4px;cursor:pointer}._1I3N-uBrbZH-ywcmCnwv_B:hover ._11ARF4IQO4h3HeKPpPg0xb{display:inline-block}._2IvhQwkgv_7K0Q3R0695Cs{border-radius:4px;border:1px solid var(--newCommunityTheme-line)}._2IvhQwkgv_7K0Q3R0695Cs:focus{outline:none}._1I3N-uBrbZH-ywcmCnwv_B{transition:all .1s linear 0s;border-radius:4px;border:1px solid var(--newCommunityTheme-line)}._1I3N-uBrbZH-ywcmCnwv_B:focus{outline:none}._1I3N-uBrbZH-ywcmCnwv_B.IeceazVNz_gGZfKXub0ak,._1I3N-uBrbZH-ywcmCnwv_B:hover{border:1px solid var(--newCommunityTheme-button)}._35hmSCjPO8OEezK36eUXpk._35hmSCjPO8OEezK36eUXpk._35hmSCjPO8OEezK36eUXpk{margin-top:25px;left:-9px}._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP,._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP:focus-within,._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP._3aEIeAgUy9VfJyRPljMNJP:hover{transition:all .1s linear 0s;border:none;padding:8px 8px 0}._25yWxLGH4C6j26OKFx8kD5{display:inline}._2YsVWIEj0doZMxreeY6iDG{font-size:12px;font-weight:400;line-height:16px;color:var(--newCommunityTheme-metaText);display:-ms-flexbox;display:flex;padding:4px 6px}._1hFCAcL4_gkyWN0KM96zgg{color:var(--newCommunityTheme-button);margin-right:8px;margin-left:auto;color:var(--newCommunityTheme-errorText)}._1hFCAcL4_gkyWN0KM96zgg,._1dF0IdghIrnqkJiUxfswxd{font-size:12px;font-weight:700;line-height:16px;cursor:pointer;-ms-flex-item-align:end;align-self:flex-end;-webkit-user-select:none;-ms-user-select:none;user-select:none}._1dF0IdghIrnqkJiUxfswxd{color:var(--newCommunityTheme-button)}._3VGrhUu842I3acqBMCoSAq{font-weight:700;color:#ff4500;text-transform:uppercase;margin-right:4px}._3VGrhUu842I3acqBMCoSAq,.edyFgPHILhf5OLH2vk-tk{font-size:12px;line-height:16px}.edyFgPHILhf5OLH2vk-tk{font-weight:400;-ms-flex-preferred-size:100%;flex-basis:100%;margin-bottom:4px;color:var(--newCommunityTheme-metaText)}._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX{margin-top:6px}._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._19lMIGqzfTPVY3ssqTiZSX._3MAHaXXXXi9Xrmc_oMPTdP{margin-top:4px} Which method would not be used to feed LIQUID chemicals? The Wastewater Practice exam is temporarily out of service for upgrades. Introducing Cram Folders! VIII.

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