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  • Class D Water Operator License
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Class D Water Operator License Exam TCEQ| exam questions and answers latest{download to ace your tests questions fall

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2024/2025 Escrito para el año académico
Institución Class D Water Operator License
Grado Class D Water Operator License
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Class D Water Operator License Exam TCEQ| exam questions and answers latest{download to ace your tests questions fall Class D Water Operator License Exam TCEQ| exam questions and answers latest{download to ace your tests questions fall Class D Water Operator License Exam TCEQ| exam questions and answers latest{download to ace your tests questions fall T/F: In Texas, about 75% of all water is used for commercial, industrial, or agricultural purposes. - correct answers-True Water covers approximately ________ of Earth's surface. - correct answers-71% Drought is an extended period when a region receives a deficiency in its ________ water supply. - correct answers-atmospheric, ground, or surface T/F: Only about 1 gallon of tap water per person/day is used for drinking and cooking - correct answers-True Excluding outside water use, the average household uses about _______ gallons of water per month for inside use - correct answers-2,000 T/F: Only 3% of all the fresh water on earth can be easily accessed for use. - correct answers-False (only 1%) T/F: In 1978, the Texas Department of Health (TDH) assumed primacy over the Safe Drinking Water Act from the EPA. - correct answers-True T/F: PWS officials should be pro-active in their approach to terrorism. - correct answers-True _________ permits the owner of a well to pump as much water as desired, even if the water is drained from beneath the land of others. - correct answers-Rule of Capture In Texas, agricultural water demand accounts for about ___% of the total water used. - correct answers-57% T/F: An example of a non-transient non-community PWS is a rural school. - correct answers-True Monitoring average and maximum daily water ______ enables us to plan ahead for growth. - correct answers-Demand T/F: The Safe Drinking Water Act sets standards for drinking water including physical, chemical, bacteriological, and radiological characteristics. - correct answers-True "Potable" means water is safe to drink and has a measurable chlorine ________. - correct answers-Residual The plant operator is responsible for a sufficient supply of safe and ________ drinking water. - correct answers-Palatable T/F: The Texas State Board of Fire Insurance requires utilities that provide fire protection to have a minimum amount of water available based on 30 gals per person per day. - correct answers-False (130 gals per person per day) T/F: The primary state regulator of water utilities is the TCEQ. - correct answers-True T/F: All community and non-transient non-community PWS, regardless of source of water, must be under the supervision of a licensed water works operator. - correct answers-True Meter readers bring in operating revenue and profoundly impact _____ relations. - correct answers-Public The federal regulator of drinking water is the _____. - correct answers-EPA T/F: Duties of distribution operator include repairing leaks, making taps, flushing mains, and taking radiological samples. - correct answers-False (Repair leaks, Make taps, Flush mains, Operate pumps, Take *bacteriological* samples) A service area has 1000 service connections. What can we estimate the population of this service area to be? - correct answers-3,000 (multiply connections x 3) T/F: The State must be notified after an existing facility is changed or after construction of a new facility. - correct answers-False (must notify *before*) T/F: A Class "D" license is valid for 2 years at ground and purchase water systems with 250 connections or less. - correct answers-False (3 years) T/F: The physical characteristics of water are color, taste, odor, temperature, and turbidity. - correct answers-True An alkaline or basic solution has a pH greater than ____. - correct answers-7 T/F: The terms mg/L and ppm are not interchangeable. - correct answers-False (they are interchangeable) Suspended solids in water cannot be filtered out. - correct answers-False (they can) Solids, water hardness, pH and gases are ____ characteristics. - correct answers-Chemical T/F: There are 2 hydrogen atoms and 1 oxygen atom in each water molecule. - correct answers-True T/F: The State recommends a water pH of less than 7 to be maintained at all time. - correct answers-False (The state recommends a pH slightly greater than 7 and for the water to be non-corrosive.) T/F: Taste and odor can come from organisms such as vegetation, bacteria, and algae, and from certain chemicals and metals. - correct answers-True T/F: The deeper the well, the warmer the water. - correct answers-True T/F: The threshold odor number (TON) relates to the number of dilutions needed for the water to be tasteless. - correct answers-False (It reflects the number of dilutions needed for water sample to be *odorless*) One part per million or 1 mg/L means that for every ____ pounds of water there is one pound of material in it. - correct answers-1 million

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Class D Water Operator License Exam T
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T/F:gfdIngfdTexas,gfdaboutgfd75%gfdofgfdallgfdwatergfdisgfdusedgfdforgfdcommercial,gfdindustrial,gfdorgfdagriculturalgfdpurpo
ses.gfd-gfdcorrectgfdanswers-True

Watergfdcoversgfdapproximatelygfd________gfdofgfdEarth'sgfdsurface.gfd-gfdcorrectgfdanswers-71%

Droughtgfdisgfdangfdextendedgfdperiodgfdwhengfdagfdregiongfdreceivesgfdagfddeficiencygfdingfditsgfd________gfdwatergfdsu
pply.gfd-gfdcorrectgfdanswers-atmospheric,gfdground,gfdorgfdsurface

T/F:gfdOnlygfdaboutgfd1gfdgallongfdofgfdtapgfdwatergfdpergfdperson/daygfdisgfdusedgfdforgfddrinkinggfdandgfdcookinggfd-
gfdcorrectgfdanswers-True



Excludinggfdoutsidegfdwatergfduse,gfdthegfdaveragegfdhouseholdgfdusesgfdaboutgfd_______gfdgallonsgfdofgfdwatergfdperg
fdmonthgfdforgfdinsidegfdusegfd-gfdcorrectgfdanswers-2,000



T/F:gfdOnlygfd3%gfdofgfdallgfdthegfdfreshgfdwatergfdongfdearthgfdcangfdbegfdeasilygfdaccessedgfdforgfduse.gfd-
gfdcorrectgfdanswers-Falsegfd(onlygfd1%)



T/F:gfdIngfd1978,gfdthegfdTexasgfdDepartmentgfdofgfdHealthgfd(TDH)gfdassumedgfdprimacygfdovergfdthegfdSafegfdDrinkinggf
dWatergfdActgfdfromgfdthegfdEPA.gfd-gfdcorrectgfdanswers-True



T/F:gfdPWSgfdofficialsgfdshouldgfdbegfdpro-activegfdingfdtheirgfdapproachgfdtogfdterrorism.gfd-gfdcorrectgfdanswers-True

_________gfdpermitsgfdthegfdownergfdofgfdagfdwellgfdtogfdpumpgfdasgfdmuchgfdwatergfdasgfddesired,gfdevengfdifgfdthegfdwa
tergfdisgfddrainedgfdfromgfdbeneathgfdthegfdlandgfdofgfdothers.gfd-gfdcorrectgfdanswers-RulegfdofgfdCapture

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gfdcorrectgfdanswers-57%



T/F:gfdAngfdexamplegfdofgfdagfdnon-transientgfdnon-communitygfdPWSgfdisgfdagfdruralgfdschool.gfd-gfdcorrectgfdanswers-
True

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gfdcorrectgfdanswers-Demand



T/F:gfdThegfdSafegfdDrinkinggfdWatergfdActgfdsetsgfdstandardsgfdforgfddrinkinggfdwatergfdincludinggfdphysical,gfdchemica
l,gfdbacteriological,gfdandgfdradiologicalgfdcharacteristics.gfd-gfdcorrectgfdanswers-True

"Potable"gfdmeansgfdwatergfdisgfdsafegfdtogfddrinkgfdandgfdhasgfdagfdmeasurablegfdchlorinegfd________.gfd-
gfdcorrectgfdanswers-Residual

, Thegfdplantgfdoperatorgfdisgfdresponsiblegfdforgfdagfdsufficientgfdsupplygfdofgfdsafegfdandgfd________gfddrinkinggfdwater.
gfd-gfdcorrectgfdanswers-Palatable



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havegfdagfdminimumgfdamountgfdofgfdwatergfdavailablegfdbasedgfdongfd30gfdgalsgfdpergfdpersongfdpergfdday.gfd-
gfdcorrectgfdanswers-Falsegfd(130gfdgalsgfdpergfdpersongfdpergfdday)



T/F:gfdThegfdprimarygfdstategfdregulatorgfdofgfdwatergfdutilitiesgfdisgfdthegfdTCEQ.gfd-gfdcorrectgfdanswers-True

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communitygfdPWS,gfdregardlessgfdofgfdsourcegfdofgfdwater,gfdmustgfdbegfdundergfdthegfdsupervisiongfdofgfdagfdlicensedgfd
watergfdworksgfdoperator.gfd-gfdcorrectgfdanswers-True

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Thegfdfederalgfdregulatorgfdofgfddrinkinggfdwatergfdisgfdthegfd_____.gfd-gfdcorrectgfdanswers-EPA

T/F:gfdDutiesgfdofgfddistributiongfdoperatorgfdincludegfdrepairinggfdleaks,gfdmakinggfdtaps,gfdflushinggfdmains,gfdandgfdt
akinggfdradiologicalgfdsamples.gfd-gfdcorrectgfdanswers-
Falsegfd(Repairgfdleaks,gfdMakegfdtaps,gfdFlushgfdmains,gfdOperategfdpumps,gfdTakegfd*bacteriological*gfdsamples)

Agfdservicegfdareagfdhasgfd1000gfdservicegfdconnections.gfdWhatgfdcangfdwegfdestimategfdthegfdpopulationgfdofgfdthisgfds
ervicegfdareagfdtogfdbe?gfd-gfdcorrectgfdanswers-3,000gfd(multiplygfdconnectionsgfdxgfd3)

T/F:gfdThegfdStategfdmustgfdbegfdnotifiedgfdaftergfdangfdexistinggfdfacilitygfdisgfdchangedgfdorgfdaftergfdconstructiongfdofgfd
agfdnewgfdfacility.gfd-gfdcorrectgfdanswers-Falsegfd(mustgfdnotifygfd*before*)

T/F:gfdAgfdClassgfd"D"gfdlicensegfdisgfdvalidgfdforgfd2gfdyearsgfdatgfdgroundgfdandgfdpurchasegfdwatergfdsystemsgfdwithgfd250
gfdconnectionsgfdorgfdless.gfd-gfdcorrectgfdanswers-Falsegfd(3gfdyears)



T/F:gfdThegfdphysicalgfdcharacteristicsgfdofgfdwatergfdaregfdcolor,gfdtaste,gfdodor,gfdtemperature,gfdandgfdturbidity.gfd-
gfdcorrectgfdanswers-True



AngfdalkalinegfdorgfdbasicgfdsolutiongfdhasgfdagfdpHgfdgreatergfdthangfd____.gfd-gfdcorrectgfdanswers-7

T/F:gfdThegfdtermsgfdmg/Lgfdandgfdppmgfdaregfdnotgfdinterchangeable.gfd-gfdcorrectgfdanswers-
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Solids,gfdwatergfdhardness,gfdpHgfdandgfdgasesgfdaregfd____gfdcharacteristics.gfd-gfdcorrectgfdanswers-Chemical

T/F:gfdTheregfdaregfd2gfdhydrogengfdatomsgfdandgfd1gfdoxygengfdatomgfdingfdeachgfdwatergfdmolecule.gfd-
gfdcorrectgfdanswers-True



T/F:gfdThegfdStategfdrecommendsgfdagfdwatergfdpHgfdofgfdlessgfdthangfd7gfdtogfdbegfdmaintainedgfdatgfdallgfdtime.gfd-
gfdcorrectgfdanswers-

Falsegfd(ThegfdstategfdrecommendsgfdagfdpHgfdslightlygfdgreatergfdthangfd7gfdandgfdforgfdthegfdwatergfdtogfdbegfdnon-
corrosive.)

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