illinois class 4 wastewater practice test illinois class 4 wastewater practice test

A wastewater [plant has a train of three rotating biological contactor (RBC) units. Sewer "B" has 94,875 people at . Usually, what is the % accuracy of a graduated cylinder and burette? Operators should, as a rule, never change the temperature in an anaerobic digester by more than___degrees F/day. WEF/ABC/C 2 EP Collection Systems Operators' Guide to Preparing for the Certification Examination. To go to the Class 2 & 3 Study Guide Click on above tab. Which one of the following best defines the term stray-current corrosion? A problem with odors from trickling filters may be solved by: Activated Sludge: Chlorine disinfects water much slower at a pH around 7.0 than at a pH over 8.0. Activated Sludge: Hence you can not start it again. 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 d. flooding the filter, Trickling Filters: The recommended minimum depth for a waste pond is". 50%. b. are more fibrous c. green se&{1k">N0{5yur-;5Y5#[ !q& kH'U!p_,JjrDGM&tv.~Qsn,3u}L> b)>c^\!rA[6GOE;5N8&6\ciu2k Unfortunately my state uses the ABC program from California to acquire licenses. f. white, Odor Control: Class 4 Wastewater IL 4.0 (1 review) Term 1 / 88 What do you do if a sewer line is plugged? 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: Sludge Digestion & Solids Handling: that is they must test what they are supposed to test. d. fats. c. flammable oils Where would toxicants least likely cause a problem for a wastewater treatment plant? American Water College. Residual Solids Management: At what depth should samples be collected from a waste pond? c. vacuum filters c. improve housekeeping around drying beds A pond that contains algae and requires the use of compressor is classified as, Waste Treatment Ponds: Which one of the following parameters can be preserved for later lab analysis? now if it's bomb after bombeh, i might make ya take a break for a bit before going again. What is the most probable cause for excessive algae in the effluent of a wastewater pond? Surface loading and detention time is a clarifier are directly related to: Sedimentation and Flotation: There are 22 individual lesson modules included in this course. ._2Gt13AX94UlLxkluAMsZqP{background-position:50%;background-repeat:no-repeat;background-size:contain;position:relative;display:inline-block} Currently the Collection Systems, the Class 4, Class 3, Class 2 and the Class 1 exam have 100 questions each. c. reduce the number of weeds The Examination Request for Wastewater Operator Certification must be submitted for a Letter of Admission to be issued. a. detergent c. hypochlorite acid Complete the test and know your score instantly. H2SO4. (a) Where does the fish appear to be? Study materials to help you succeed. .s5ap8yh1b4ZfwxvHizW3f{color:var(--newCommunityTheme-metaText);padding-top:5px}.s5ap8yh1b4ZfwxvHizW3f._19JhaP1slDQqu2XgT3vVS0{color:#ea0027} One solids treatment thickening process would be: c. orifice Approved Training Provider - Indiana, Illinois, Ohio, Delaware, Alabama, Maryland, Idaho, North Carolina, South Carolina, Virginia, West Virginia, Tennessee and Kentucky. .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} Jake a. improve housekeeping Wastewater treatment systems protect public health and the environment only if they are being properly operated and maintained. For more practice problems: https://www.waterandwastewatercourses.com/To enroll in an online course: https://courses.waterandwastewatercourses.com/Grade 1: . % /*# 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. c. trisodium phosphate excessive slime growths on a trickling filter may cause a condition on the the filter called, Trickling Filters: b. filter presses d. organic toxicants, Activated Sludge: Activated Sludge: Sludge Digestion & Solids Handling: Sample Question. a. pH VIII. What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? Following the activated sludge what process modification is very sensitive to bulking? Safety: ._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} Enhanced Biological (Nutrient) Control: c. volatile-acid-alkalinity ratio V. WHAT OPERATORS NEED TO KNOW 3-9 . H}Wr8[$HB$"&.ZO*JJ4p8(To>|H^sGGrB*G*f%G. b)Determine that all the plant equipment is operational. In a primary clarifier, the expected performance for removing settleable solids is 90-95% removal. 4.5 in. c. O3 r.invoke.apply(r,arguments):r.queue.push(arguments)}, $25 b. . Waste Treatment Ponds: Perfect for water distribution operators taking their D-1, D-2, D3 Operator exams (DI-DIII.) c. has less flocculant than primary sludges Sludge Digestion & Solids Handling: Disinfection: Microbiology. To help you study for your wastewater treatment operator certification exam, here are four practice problems. Incoming Wastewater Testing Monitoring of influent wastewater is an important component of operating an activated sludge plant. ._1x9diBHPBP-hL1JiwUwJ5J{font-size:14px;font-weight:500;line-height:18px;color:#ff585b;padding-left:3px;padding-right:24px}._2B0OHMLKb9TXNdd9g5Ere-,._1xKxnscCn2PjBiXhorZef4{height:16px;padding-right:4px;vertical-align:top}.icon._1LLqoNXrOsaIkMtOuTBmO5{height:20px;vertical-align:middle;padding-right:8px}.QB2Yrr8uihZVRhvwrKuMS{height:18px;padding-right:8px;vertical-align:top}._3w_KK8BUvCMkCPWZVsZQn0{font-size:14px;font-weight:500;line-height:18px;color:var(--newCommunityTheme-actionIcon)}._3w_KK8BUvCMkCPWZVsZQn0 ._1LLqoNXrOsaIkMtOuTBmO5,._3w_KK8BUvCMkCPWZVsZQn0 ._2B0OHMLKb9TXNdd9g5Ere-,._3w_KK8BUvCMkCPWZVsZQn0 ._1xKxnscCn2PjBiXhorZef4,._3w_KK8BUvCMkCPWZVsZQn0 .QB2Yrr8uihZVRhvwrKuMS{fill:var(--newCommunityTheme-actionIcon)} Secondary Treatment: 0000002075 00000 n What would be the cause of a shorted-winding in a motor? c. sulfuric acid b. toxic gases negative pole of an electrolytic cell or system, Unless water cooled, the operating temperature of a mechanical seal in a pump should never exceed. Class 2 wastewater operator certification examination. Wastewater Certification practice tests, flashcards, study guides, and more. When inserting glass tubing into a rubber hose or stopper, never use____for lubrication, Basic Chemistry: Tightened down to a drip. Basic Concepts. d. have a density significantly greater than water, contain 20-25% nonvolatile inorganic matter. 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. flotation c. sludge drying bed or pond f.FeathrBoomerang=r;var g=e.createElement(a), Sludge Digestion & Solids Handling: Add to folder 0000000607 00000 n b. decanter c. composting I had the same problem with my ABC exam for my industrial license. What is the most accurate measure of the organisms present in an aerator for treating incoming wastes? Why do the strings used for the lowest-frequency notes on a piano normally have wire wrapped around them? How do you calibrate a chemical feed pump? Basic Chemistry: Wastewater Operator Certification Exam Book List. 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 c. applying chlorine d. raw sewage. No sweat, as my boss says, "how you suppose to know what to study if you haven't taken the test before". What should the initial depth of sludge from a digester be when it is placed in a sludge drying bed? a. sand drying beds c. sludge age b. NO2 Loading Rates. 2019 Association of Boards of Certification. c. cyanides d. about the same volume as the grit being removed. What substance can cause obstructions in the sewer system and may cause anaerobic decomposition where the substances accumulate?