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ACI CONCRETE FIELD TESTING TECHNICIAN

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2024/2025 Written for academic year
Institution Electronic Security Technician
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ACI CONCRETE FIELD TESTING TECHNICIAN

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ACI CONCRETE FIELD TESTING
TECHNICIAN- GRADE I



Theposensorpoofpothepotemperaturepomeasuringpodeviceposhallpobeposubmergedpoapomini
mumpoofpo_____poin.po[_____mm]pointopothepofreshlypomixedpoconcrete.po-poans--
3poin.po[75pomm]

Thepotemperaturepomeasuringpodeviceposhallpohavepoapocapacitypoofpomeasuringpotempe
raturepoofpofreshlypomixedpoconcretepotopo+-po_____podegreespoFpo[+-
po_____poC]pothroughoutpoaporangepoofpo_____.po-poans--
1podegreepoFpo[0.5poC],po30podegreespoFpotopo120poFpo[0poCpotopo50poC]

Thepotemperaturepomeasuringpodeviceposhallpobepocalibratedpo_____,poorpowheneverpoth
erepoispoapoquestionpoofpo_____.po-poans--Annually,poaccuracy

Thepotemperaturepoofpoconcretepomaypobepomeasuredpoinpoapowheelbarrow.poTruepoorpoF
alse?po-poans--True

Thepotemperaturepoofpoconcretepomaypobepomeasuredpoinpoapowallpoform.poTruepoofpoFal
sepo-poans--True

Apocompositeposamplepoofpoconcretepoisporequiredpoevenpoifpothepoonlypopurposepoforpoob
tainingpotheposamplepoispotopodeterminepotemperature.poTruepoofpoFalse?po-poans--False

Whatpomustpobepodonepotopotheposamplepocontainerpopriorpotoposamplingpothepoconcrete?
po-poans--Dampenpo(withpowater)


Whatpomustpobepodonepotopothepoconcreteposurroundingpothepotemperaturepomeasuringpo
devicepoafterpothepodevicepoisposubmergedpoinpothepofreshpoconcrete.po-poans--
Gentlypopresspothepoconcretepoaroundpothepotemperaturepomeasuringpodevicepoatpothepos
urfacepoofpothepoconcrete

Howpolongpomustpothepotemperaturepomeasuringpodeviceporemainpoinpothepofreshlypomixe
dpoconcrete?po-poans--Atpoleastpo2pominutespobutponotpomorepothanpo5pominutes

Afterpothepotemperaturepoofpothepoconcretepoisporead,powhatpoisporequired?po-poans--
Reportingpoofpotemperature

, Thepotemperaturepoofpoconcretepoisporeportedpotopotheponearestpo_____podegreespoFpo[_
____poC]po-poans--1podegreepoFpo[0.5poC]

AccordingpotopoASTMpoC1064,powhatpoispooneporeasonpotopotakepothepotemperaturepoofpo
concrete?po-poans--
Verifypoconformancepotopoapospecifiedporequirementpoforpotemperaturepoofpoconcrete

ApomaximumpotemperaturepoofpofreshlypomixedpoconcretepoispospecifiedpoinpoASTMpoC10
64.poTruepoofpoFalse?po-poans--False

Theposamplepoofpoconcretepousedpoforpotemperaturepodeterminationpomustpobeporoddedpo
25potimes.poTruepoorpoFalse?po-poans--False

Samplingpobypothispomethodpoisporequiredpowhenpotestspoarepotopobepomadepotopodetermi
nepo_____powithpospecificationporequirements.po-poans--Compliance

Thispomethodpocoversposamplingpofrompofourpotypespoofpomixturespowhichpoarepo_____,po
_____,po_____,poandpo_____.po-poans--
Stationarypomixers,popavingpomixers,porevolvingpodrumpomixers,poandpoopenpotoppomixer
s

Thepomaximumpoallowablepotimepobetweenpoobtainingpothepofirstpoandpofinalpoportionspoo
fpoapocompositeposamplepoispo_____pominutes.po-poans--15

Portionspoofpoapocompositeposampleposhallpobepothoroughlyporemixedpobforepobeginningp
otestspoonpotheposample.poTruepoofpoFalse?po-poans--True


Thepomaximumpoelapsedpotimepoallowedpobetweenpoobtainingpothepofinalpoportionpoofpoth
epocompositeposamplepoandpobeginningpothepotestspoforposlump,potemperature,poandpoairp
ocontentpoispo_____pominutes.po-poans--5


Thepomoldingpoofpostrengthpotestpospecimensposhallpobeginpowithinpo_____pominutespoaft
erpofabricatingpothepocompositeposample.po-poans--15

Thepoconcreteposamplepomustpobepoprotectedpofrompocontaminationpoandpo_____.po-
poans--Rapidpoevaporation


Thepominimumposizeposamplepoforpomakingpostrengthpotestpospecimenspoispo_____.po-
poans--28poLpo(1ft^3)


Whenposamplingpofrompoapostationarypomixer,pothepobatchpomustpobeposampledpoatpo___
__poorpomoreporegularlypospacedpointervalspoduringpodischargepoofpothepomiddlepoportionp
oofpothepobatchpo-poans--2

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