CLASS D BASIC WATER PRACTICE
TEST GRADE A+ COMPLETE EXAM
QUESTIONS AND 100% VERIFIED
ANSWERS (2026/2027) PASS
GUARANTEE
1.
Amtrenchm24inmwidem800ftmlongmandm4ftmdeepmismtombemexcavated.mThemamountmofmsoilmex
cavatedmis?m-mCORRECTmANSWERm6400ft
2. Anmelevatedmstoragemtankmhadmpipem150mfeetmabovemgroundmwhenmfullmwatermpressurema
tmthembottommpsimshouldmbe?m-mCORRECTmANSWERm65
3. Chlorinemdosagemformwatermism2.7mg/lmifmchlorinemresidualmafterm30mminutesmism0.8mg/l.m
Whatmismdemandmexpressedminmmg/l?m-mCORRECTmANSWERm1.9
4. Watermismpumpedm250mgallonsmammin.mHowmlongmtomfillm100,000mgallonmtank?m-
mCORRECTmANSWERm6.6
5. Amfreemchlorinemresidualmofm0.6mg/lmismdesiredmhowmmanymmg/lmofmchlorinemwillmbemneed
edmwhenmchlorinemdemandmofmwatermism2.2mn/l?m-mCORRECTmANSWERm1.6
6. Amchlorinemdosagemofm2mg/lmismtombemaddedmtom600,000mgallonsmofmwatermhowmmanympo
undsmofmchlorinem100%maremneededmtomobtainmthismconcentration?m-
mCORRECTmANSWERm10
7. Themhydrologicmcyclemis?m-
mCORRECTmANSWERmRecyclingmofmwatermbetweenmthemearthm&matmosphere
, 8. BasicmwatermPHmreadingmis?m-mCORRECTmANSWERm8.5
9. Amchemicalmofmwatermimpactingmscalingmis?m-mCORRECTmANSWERmCalcium
10. WhatmismRawmwater?m-mCORRECTmANSWERmUntreatedmwater
11. Regulatedmchemicalmcompoundmformedmwhenmdisinfectantsmreactmwithmnaturallymoccurri
ngmorganicmmatter?m-mCORRECTmANSWERmBymproductsmTHM/HAA
12. Diseasesmbymcontaminatedmwatermalsomknownmasmwaterbornmdiseasemare?m-
mCORRECTmANSWERmDysentery,mHyphoid,mGiardiasis,mHepatitis
13. Amfiremandmexplosionmexsistmifmgranulatedmdisinfectant,mcalciummhydrochloritemcomeminmco
ntactmwith?m-mCORRECTmANSWERmOilmpetromproducts
14. FollowingmLockmOutmTagmOutm(LOTO)mthemfirstmstepmamoparatermshouldmtakemtomrestartmpu
mpmaftermemergencymrepairsmaremperformed?m-
mCORRECTmANSWERmCallmthempersonmwhomownsmormputmthemlocksmon
15. ThemTexasmhazardmcommunicationmactm1985mrequiresmemployersmto?m-
mCORRECTmANSWERmProvideminfomonmHazmChemminmthemworkmplace.
16. Amflaggermformtrafficmcontrolm-mCORRECTmANSWERmTxDoT
17. Whenmstoringmgasmchlorinemcylindersmthemcontainmentmroommshouldmincludembothmhighml
evelmfreshmintakemfanmandmfloormexhaustmventmbecausemchlorinemis?m-
mCORRECTmANSWERmHeavymthenmAir
TEST GRADE A+ COMPLETE EXAM
QUESTIONS AND 100% VERIFIED
ANSWERS (2026/2027) PASS
GUARANTEE
1.
Amtrenchm24inmwidem800ftmlongmandm4ftmdeepmismtombemexcavated.mThemamountmofmsoilmex
cavatedmis?m-mCORRECTmANSWERm6400ft
2. Anmelevatedmstoragemtankmhadmpipem150mfeetmabovemgroundmwhenmfullmwatermpressurema
tmthembottommpsimshouldmbe?m-mCORRECTmANSWERm65
3. Chlorinemdosagemformwatermism2.7mg/lmifmchlorinemresidualmafterm30mminutesmism0.8mg/l.m
Whatmismdemandmexpressedminmmg/l?m-mCORRECTmANSWERm1.9
4. Watermismpumpedm250mgallonsmammin.mHowmlongmtomfillm100,000mgallonmtank?m-
mCORRECTmANSWERm6.6
5. Amfreemchlorinemresidualmofm0.6mg/lmismdesiredmhowmmanymmg/lmofmchlorinemwillmbemneed
edmwhenmchlorinemdemandmofmwatermism2.2mn/l?m-mCORRECTmANSWERm1.6
6. Amchlorinemdosagemofm2mg/lmismtombemaddedmtom600,000mgallonsmofmwatermhowmmanympo
undsmofmchlorinem100%maremneededmtomobtainmthismconcentration?m-
mCORRECTmANSWERm10
7. Themhydrologicmcyclemis?m-
mCORRECTmANSWERmRecyclingmofmwatermbetweenmthemearthm&matmosphere
, 8. BasicmwatermPHmreadingmis?m-mCORRECTmANSWERm8.5
9. Amchemicalmofmwatermimpactingmscalingmis?m-mCORRECTmANSWERmCalcium
10. WhatmismRawmwater?m-mCORRECTmANSWERmUntreatedmwater
11. Regulatedmchemicalmcompoundmformedmwhenmdisinfectantsmreactmwithmnaturallymoccurri
ngmorganicmmatter?m-mCORRECTmANSWERmBymproductsmTHM/HAA
12. Diseasesmbymcontaminatedmwatermalsomknownmasmwaterbornmdiseasemare?m-
mCORRECTmANSWERmDysentery,mHyphoid,mGiardiasis,mHepatitis
13. Amfiremandmexplosionmexsistmifmgranulatedmdisinfectant,mcalciummhydrochloritemcomeminmco
ntactmwith?m-mCORRECTmANSWERmOilmpetromproducts
14. FollowingmLockmOutmTagmOutm(LOTO)mthemfirstmstepmamoparatermshouldmtakemtomrestartmpu
mpmaftermemergencymrepairsmaremperformed?m-
mCORRECTmANSWERmCallmthempersonmwhomownsmormputmthemlocksmon
15. ThemTexasmhazardmcommunicationmactm1985mrequiresmemployersmto?m-
mCORRECTmANSWERmProvideminfomonmHazmChemminmthemworkmplace.
16. Amflaggermformtrafficmcontrolm-mCORRECTmANSWERmTxDoT
17. Whenmstoringmgasmchlorinemcylindersmthemcontainmentmroommshouldmincludembothmhighml
evelmfreshmintakemfanmandmfloormexhaustmventmbecausemchlorinemis?m-
mCORRECTmANSWERmHeavymthenmAir