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  • Class D Water Operator License
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Class D Water Operator License Exam TCEQ exam questions| answers verified A+| guaranteed success fall 2024

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Class D Water Operator LicenseClass D Water Operator License Exam TCEQ exam questions| answers verified A+| guaranteed success fall 2024 =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 The State requires filtered water to be equal to o

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Class D Water Operator License Exam TC
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=T/F:reInreTexas,reaboutre75%reofreallrewaterreisreusedreforrecommercial,reindustrial,reorreagriculturalrepurposes.re-
recorrectreanswers-True



Waterrecoversreapproximatelyre________reofreEarth'sresurface.re-recorrectreanswers-71%

Droughtreisreanreextendedreperiodrewhenreareregionrereceivesrearedeficiencyreinreitsre________rewaterresupply.re-
recorrectreanswers-atmospheric,reground,reorresurface



T/F:reOnlyreaboutre1regallonreofretaprewaterreperreperson/dayreisreusedreforredrinkingreandrecookingre-
recorrectreanswers-True



Excludingreoutsiderewaterreuse,rethereaveragerehouseholdreusesreaboutre_______regallonsreofrewaterreperremont
hreforreinsidereusere-recorrectreanswers-2,000

T/F:reOnlyre3%reofreallretherefreshrewaterreonreearthrecanrebereeasilyreaccessedreforreuse.re-recorrectreanswers-
Falsere(onlyre1%)

T/F:reInre1978,rethereTexasreDepartmentreofreHealthre(TDH)reassumedreprimacyreoverrethereSafereDrinkingreWate
rreActrefromrethereEPA.re-recorrectreanswers-True

T/F:rePWSreofficialsreshouldreberepro-activereinretheirreapproachretoreterrorism.re-recorrectreanswers-True

_________repermitsrethereownerreofrearewellretorepumpreasremuchrewaterreasredesired,reevenreifretherewaterreisredr
ainedrefromrebeneathretherelandreofreothers.re-recorrectreanswers-RulereofreCapture

InreTexas,reagriculturalrewaterredemandreaccountsreforreaboutre___%reofretheretotalrewaterreused.re-
recorrectreanswers-57%



T/F:reAnreexamplereofrearenon-transientrenon-communityrePWSreisreareruralreschool.re-recorrectreanswers-True

Monitoringreaveragereandremaximumredailyrewaterre______reenablesreusretoreplanreaheadreforregrowth.re-
recorrectreanswers-Demand



T/F:reThereSafereDrinkingreWaterreActresetsrestandardsreforredrinkingrewaterreincludingrephysical,rechemical,rebac
teriological,reandreradiologicalrecharacteristics.re-recorrectreanswers-True

"Potable"remeansrewaterreisresaferetoredrinkreandrehasrearemeasurablerechlorinere________.re-
recorrectreanswers-Residual



Thereplantreoperatorreisreresponsiblereforrearesufficientresupplyreofresafereandre________redrinkingrewater.re-
recorrectreanswers-Palatable

, T/F:reThereTexasreStatereBoardreofreFirereInsurancererequiresreutilitiesrethatreproviderefirereprotectionretorehaverea
reminimumreamountreofrewaterreavailablerebasedreonre30regalsreperrepersonreperreday.re-recorrectreanswers-

Falsere(130regalsreperrepersonreperreday)

T/F:reThereprimaryrestatereregulatorreofrewaterreutilitiesreisrethereTCEQ.re-recorrectreanswers-True

T/F:reAllrecommunityreandrenon-transientrenon-
communityrePWS,reregardlessreofresourcereofrewater,remustrebereunderretheresupervisionreofrearelicensedrewaterr
eworksreoperator.re-recorrectreanswers-True



Meterrereadersrebringreinreoperatingrerevenuereandreprofoundlyreimpactre_____rerelations.re-
recorrectreanswers-Public



Therefederalreregulatorreofredrinkingrewaterreisrethere_____.re-recorrectreanswers-EPA

T/F:reDutiesreofredistributionreoperatorreincludererepairingreleaks,remakingretaps,reflushingremains,reandretakingre
radiologicalresamples.re-recorrectreanswers-
Falsere(Repairreleaks,reMakeretaps,reFlushremains,reOperaterepumps,reTakere*bacteriological*resamples)

Areservicerearearehasre1000reservicereconnections.reWhatrecanrewereestimateretherepopulationreofrethisreservicere
arearetorebe?re-recorrectreanswers-3,000re(multiplyreconnectionsrexre3)

T/F:reThereStateremustreberenotifiedreafterreanreexistingrefacilityreisrechangedreorreafterreconstructionreofrearenewref
acility.re-recorrectreanswers-Falsere(mustrenotifyre*before*)

T/F:reAreClassre"D"relicensereisrevalidreforre2reyearsreatregroundreandrepurchaserewaterresystemsrewithre250reconne
ctionsreorreless.re-recorrectreanswers-Falsere(3reyears)

T/F:reTherephysicalrecharacteristicsreofrewaterrearerecolor,retaste,reodor,retemperature,reandreturbidity.re-
recorrectreanswers-True



AnrealkalinereorrebasicresolutionrehasrearepHregreaterrethanre____.re-recorrectreanswers-7

T/F:reTheretermsremg/Lreandreppmrearerenotreinterchangeable.re-recorrectreanswers-
Falsere(theyrearereinterchangeable)

Suspendedresolidsreinrewaterrecannotreberefilteredreout.re-recorrectreanswers-Falsere(theyrecan)

Solids,rewaterrehardness,repHreandregasesrearere____recharacteristics.re-recorrectreanswers-Chemical

T/F:reThererearere2rehydrogenreatomsreandre1reoxygenreatomreinreeachrewaterremolecule.re-recorrectreanswers-
True

T/F:reThereStatererecommendsrearewaterrepHreofrelessrethanre7retoreberemaintainedreatreallretime.re-
recorrectreanswers-

Falsere(TherestatererecommendsrearepHreslightlyregreaterrethanre7reandreforretherewaterretoreberenon-corrosive.)

T/F:reTastereandreodorrecanrecomerefromreorganismsresuchreasrevegetation,rebacteria,reandrealgae,reandrefromrece
rtainrechemicalsreandremetals.re-recorrectreanswers-True

T/F:reTheredeeperretherewell,retherewarmerretherewater.re-recorrectreanswers-True

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