ACI Concrete Field Testing Technician
Test Exam latest 2024 Q&A
The total time allowed between obtaining the first and final portions of a
composite sample is - CORRECT ANSWER-15 minutes
When it is necessary to wet sieve the concrete sample, wet sieving should be
performed after the mindividual msamples mare mremixed minto ma mcomposite msample
m(T mor mF) m- mCORRECT mANSWER-F
Tests mfor mslump, mtemperature, mand mair mcontent mmust mbegin mwithin m______
mminutes mafter mobtaining mthe mcomposite msample m- mCORRECT mANSWER-5
mminutes
Begin mmolding mtest mspecimens mwithin m______ mminutes mafter mobtaining mthe
mcomposite msample m- mCORRECT mANSWER-15 mminutes
The mconcrete msamples mshould mbe mprotected mfrom m- mCORRECT mANSWER-the
msun, mwind, mand mother msources mof mrapid mevaporation, mfrom mcontamination
When mtest mspecimens mare mto mbe mmolded, mthe mminimum msize mof msample
mobtained mis m- mCORRECT mANSWER-28 mL m(1 mft^3)
The mprimary mobjective mof mthe msampling mprocess mis mto mobtain ma mrepresentative
msample m(T mor mF) m- mCORRECT mANSWER-T
When msampling mfrom ma mrevolving mdrum mtruck mmixer mcollect mconcrete mfrom
m______ mportions mof mthe mbatch m- mCORRECT mANSWER-2 mor mmore
Wet msieving mis mperformed m- mCORRECT mANSWER-when mthe mconcrete
mcontains maggregates mlarger mthan mappropriate mfor ma mtest
When msampling mfrom ma mpaving mmixer mit mis mnot macceptable mto mplace m3 msmall
mcontainers mon mthe msub mgrade min morder mto mobtain mthe mrequired msamples mof
mconcrete m(T mor mF) m- mCORRECT mANSWER-F
TEMPERATURE m- mCORRECT mANSWER-
it mmay mrequire mup mto m___ mmin mbefore mthe mtemp mstabilizes mwhen mthe mNMS mof
mthe mcoarse magg mis mgreater mthan m___ m- mCORRECT mANSWER-20min., m3in.
, The mcontainer mfor mthe mconcrete mshall mbe mlarge menough mto mprovide mat mleast
m___ minches, mor
_____ mof mcoarse magg, mof mconcrete min mall mdirections maround mthe mTMD
m- mCORRECT mANSWER-3in., m3 mx mNMS
The mtemperature mmeasuring mdevice mshall mhave mthe mcapability mof
mmeasuring mthe mtemperature mof mthe mfreshly mmixed mconcrete mto m±
m______ moF maccuracy mand mhave ma mrange mof m______ mto m______ moF.
m- mCORRECT mANSWER-1,30to120
A mcomposite msample mof mconcrete mis mnot mrequired meven mif mthe monly mpurpose
mfor mobtaining mthe msample mis mto mdetermine mtemperature. mT mor mF m-
mCORRECT mANSWER-T
The mTemperature mMeasuring mDevice mused mfor mdetermining mconcrete
mtemperature mmust mbe mcalibrated m______ mor mwhenever mthere mis ma mquestion
mof maccuracy. m- mCORRECT mANSWER-annually
The mtemperature mof mfreshly mmixed mconcrete mcan mbe mmeasured min m-
mCORRECT mANSWER-all mof mthe mabove
Submerge mthe msensing mportion mof mthe mthermometer mat mleast m______
minches minto mthe mconcrete m- mCORRECT mANSWER-3
Gently mpress mconcrete maround mthe mthermometer msuch mthat mthe_______
mdoes mnot maffect mthe mreading. m- mCORRECT mANSWER-ambient mair
mtemp
The mthermometer mmust mremain min mthe mconcrete mduring mthe mmeasurement mfor ma
mminimum mof m______ mminutes. mIn maddition, mthe mtemperature mmeasurement mmust
mbe mcompleted mwithin
_______ mminutes mafter mobtaining mthe msample. m- mCORRECT mANSWER-2, m5
The mtemperature mof mfreshly mmixed mconcrete mis mmeasured mand mrecorded mto mthe
mnearest
_____ m- mCORRECT mANSWER-1 mdegree
SLUMP mTEST m- mCORRECT mANSWER-
****The mslump mtest mdoes mnot mprovide man mindication mof mthe mwater mcontent
mof ma mconcrete mmixture. m- mCORRECT mANSWER-F
A mslump mmold mcan mbe mfabricated mfrom mboth mplastic mand mmetal. m- mCORRECT
mANSWER-T
****The mlength mof mthe mtamping mfor mthe mslump mtest mshall mbe mapproximately
m- mCORRECT mANSWER-
Test Exam latest 2024 Q&A
The total time allowed between obtaining the first and final portions of a
composite sample is - CORRECT ANSWER-15 minutes
When it is necessary to wet sieve the concrete sample, wet sieving should be
performed after the mindividual msamples mare mremixed minto ma mcomposite msample
m(T mor mF) m- mCORRECT mANSWER-F
Tests mfor mslump, mtemperature, mand mair mcontent mmust mbegin mwithin m______
mminutes mafter mobtaining mthe mcomposite msample m- mCORRECT mANSWER-5
mminutes
Begin mmolding mtest mspecimens mwithin m______ mminutes mafter mobtaining mthe
mcomposite msample m- mCORRECT mANSWER-15 mminutes
The mconcrete msamples mshould mbe mprotected mfrom m- mCORRECT mANSWER-the
msun, mwind, mand mother msources mof mrapid mevaporation, mfrom mcontamination
When mtest mspecimens mare mto mbe mmolded, mthe mminimum msize mof msample
mobtained mis m- mCORRECT mANSWER-28 mL m(1 mft^3)
The mprimary mobjective mof mthe msampling mprocess mis mto mobtain ma mrepresentative
msample m(T mor mF) m- mCORRECT mANSWER-T
When msampling mfrom ma mrevolving mdrum mtruck mmixer mcollect mconcrete mfrom
m______ mportions mof mthe mbatch m- mCORRECT mANSWER-2 mor mmore
Wet msieving mis mperformed m- mCORRECT mANSWER-when mthe mconcrete
mcontains maggregates mlarger mthan mappropriate mfor ma mtest
When msampling mfrom ma mpaving mmixer mit mis mnot macceptable mto mplace m3 msmall
mcontainers mon mthe msub mgrade min morder mto mobtain mthe mrequired msamples mof
mconcrete m(T mor mF) m- mCORRECT mANSWER-F
TEMPERATURE m- mCORRECT mANSWER-
it mmay mrequire mup mto m___ mmin mbefore mthe mtemp mstabilizes mwhen mthe mNMS mof
mthe mcoarse magg mis mgreater mthan m___ m- mCORRECT mANSWER-20min., m3in.
, The mcontainer mfor mthe mconcrete mshall mbe mlarge menough mto mprovide mat mleast
m___ minches, mor
_____ mof mcoarse magg, mof mconcrete min mall mdirections maround mthe mTMD
m- mCORRECT mANSWER-3in., m3 mx mNMS
The mtemperature mmeasuring mdevice mshall mhave mthe mcapability mof
mmeasuring mthe mtemperature mof mthe mfreshly mmixed mconcrete mto m±
m______ moF maccuracy mand mhave ma mrange mof m______ mto m______ moF.
m- mCORRECT mANSWER-1,30to120
A mcomposite msample mof mconcrete mis mnot mrequired meven mif mthe monly mpurpose
mfor mobtaining mthe msample mis mto mdetermine mtemperature. mT mor mF m-
mCORRECT mANSWER-T
The mTemperature mMeasuring mDevice mused mfor mdetermining mconcrete
mtemperature mmust mbe mcalibrated m______ mor mwhenever mthere mis ma mquestion
mof maccuracy. m- mCORRECT mANSWER-annually
The mtemperature mof mfreshly mmixed mconcrete mcan mbe mmeasured min m-
mCORRECT mANSWER-all mof mthe mabove
Submerge mthe msensing mportion mof mthe mthermometer mat mleast m______
minches minto mthe mconcrete m- mCORRECT mANSWER-3
Gently mpress mconcrete maround mthe mthermometer msuch mthat mthe_______
mdoes mnot maffect mthe mreading. m- mCORRECT mANSWER-ambient mair
mtemp
The mthermometer mmust mremain min mthe mconcrete mduring mthe mmeasurement mfor ma
mminimum mof m______ mminutes. mIn maddition, mthe mtemperature mmeasurement mmust
mbe mcompleted mwithin
_______ mminutes mafter mobtaining mthe msample. m- mCORRECT mANSWER-2, m5
The mtemperature mof mfreshly mmixed mconcrete mis mmeasured mand mrecorded mto mthe
mnearest
_____ m- mCORRECT mANSWER-1 mdegree
SLUMP mTEST m- mCORRECT mANSWER-
****The mslump mtest mdoes mnot mprovide man mindication mof mthe mwater mcontent
mof ma mconcrete mmixture. m- mCORRECT mANSWER-F
A mslump mmold mcan mbe mfabricated mfrom mboth mplastic mand mmetal. m- mCORRECT
mANSWER-T
****The mlength mof mthe mtamping mfor mthe mslump mtest mshall mbe mapproximately
m- mCORRECT mANSWER-
