TCEQ CLASS D WATER OPERATOR LICE
m m m m m
NSE EXAM | QUESTIONS & ANSWERS (V
m m m m m m
ERIFIED) | LATEST UPDATE | GRADED A
m m m m m m
+
Rulemof mcapture
CorrectmAnswer:m m Permitsmownermofmamwell mtompumpmasmmuchmwatermasmdesired,mevenmi
f
watermismdrainedmfrommbeneath mthemlandmof mothers
when mtreatingmsurfacemwater,mthemprocessmof mcoagulation mwillmbemaffectedmby
CorrectmAnswer:m m all mof mthemabove
ampublicmwatermsystemmismresponsiblemformproviding
CorrectmAnswer:m m all mof mthemabove
amcommon mtypemof moxidantmthatmismusedmatmmostmsurfacemwatermtreatmentmplantsmtomkill
bacteriamandmtompreventmtrihalomethanemformation mis
CorrectmAnswer:m m combinedmchlorine
Which mof mthemfollowingmismamrequiredmstepmin mcollectingmamroutinemdistribution msamplemof
microbiological manalysis
1
,CorrectmAnswer:m m usemamsterilizedmbottlesmcontainingmsodiummthiosulfate
Thempurposemof man mairlinemon mamwell mis
CorrectmAnswer:
which mmineralsmcausemwatermhardness
CorrectmAnswer:m m calciummandmmagnesium
Beforemamnew mmainmismplacedmintomservice,mitmmustmbemproperlymdisinfectedmwithmamminimu
m
chlorinemdosagemof:
a) 50mmg/L
b) 30mmg/L
c) 40mmg/L
d) 75mmg/L
e) 25mmg/L
CorrectmAnswer:m m 25mmg/L
Amdiseasemwhich mmaymbemspreadmbyminadequatelymdisinfectedmwatermis
CorrectmAnswer:m m HepatitismA
Amphysical mconnection mbetween mampotablemwatermsupplymandmnon-
potablemwatermsourcemis
CorrectmAnswer:m m crossmconnection
,2
, undergroundmgeological mwatermbearingmformationsmthatmaremusedmformpublicmwatermsupplie
s
aremcalled
CorrectmAnswer:m m aquifers
Gravitymfiltersmwillmremovemwhich mof mthemfollowingmfrommsurfacemwatermsupplies:
a) turbidity
b) tastemandmodors
c) nitrates
d) hardness
e) chlorides
CorrectmAnswer:m m turbidity
Activatedmcarbon mismusedmatmamsurfacemwatermtreatmentmplantmprimarilymfor
CorrectmAnswer:m m tastemandmodormcontrol
Which mof mthemfollowingmismpartmof mamhyperchlorination msystem
CorrectmAnswer:
Amcommon mchemical musedmformdisinfectingmamsmallmpublicmwatermsupplymis
CorrectmAnswer:
Yourmgroundmstoragemtankmism15mfeetmhigh mandm30mfeetmin mdiameter.mAboutmhow mmuch
watermcan mitmhold?
3
m m m m m
NSE EXAM | QUESTIONS & ANSWERS (V
m m m m m m
ERIFIED) | LATEST UPDATE | GRADED A
m m m m m m
+
Rulemof mcapture
CorrectmAnswer:m m Permitsmownermofmamwell mtompumpmasmmuchmwatermasmdesired,mevenmi
f
watermismdrainedmfrommbeneath mthemlandmof mothers
when mtreatingmsurfacemwater,mthemprocessmof mcoagulation mwillmbemaffectedmby
CorrectmAnswer:m m all mof mthemabove
ampublicmwatermsystemmismresponsiblemformproviding
CorrectmAnswer:m m all mof mthemabove
amcommon mtypemof moxidantmthatmismusedmatmmostmsurfacemwatermtreatmentmplantsmtomkill
bacteriamandmtompreventmtrihalomethanemformation mis
CorrectmAnswer:m m combinedmchlorine
Which mof mthemfollowingmismamrequiredmstepmin mcollectingmamroutinemdistribution msamplemof
microbiological manalysis
1
,CorrectmAnswer:m m usemamsterilizedmbottlesmcontainingmsodiummthiosulfate
Thempurposemof man mairlinemon mamwell mis
CorrectmAnswer:
which mmineralsmcausemwatermhardness
CorrectmAnswer:m m calciummandmmagnesium
Beforemamnew mmainmismplacedmintomservice,mitmmustmbemproperlymdisinfectedmwithmamminimu
m
chlorinemdosagemof:
a) 50mmg/L
b) 30mmg/L
c) 40mmg/L
d) 75mmg/L
e) 25mmg/L
CorrectmAnswer:m m 25mmg/L
Amdiseasemwhich mmaymbemspreadmbyminadequatelymdisinfectedmwatermis
CorrectmAnswer:m m HepatitismA
Amphysical mconnection mbetween mampotablemwatermsupplymandmnon-
potablemwatermsourcemis
CorrectmAnswer:m m crossmconnection
,2
, undergroundmgeological mwatermbearingmformationsmthatmaremusedmformpublicmwatermsupplie
s
aremcalled
CorrectmAnswer:m m aquifers
Gravitymfiltersmwillmremovemwhich mof mthemfollowingmfrommsurfacemwatermsupplies:
a) turbidity
b) tastemandmodors
c) nitrates
d) hardness
e) chlorides
CorrectmAnswer:m m turbidity
Activatedmcarbon mismusedmatmamsurfacemwatermtreatmentmplantmprimarilymfor
CorrectmAnswer:m m tastemandmodormcontrol
Which mof mthemfollowingmismpartmof mamhyperchlorination msystem
CorrectmAnswer:
Amcommon mchemical musedmformdisinfectingmamsmallmpublicmwatermsupplymis
CorrectmAnswer:
Yourmgroundmstoragemtankmism15mfeetmhigh mandm30mfeetmin mdiameter.mAboutmhow mmuch
watermcan mitmhold?
3
