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 individual samples are remixed into a composite sample (T or F) -
CORRECT ANSWER-F
Tests for slump, temperature, and air content must begin within ______ minutes
after obtaining the composite sample - CORRECT ANSWER-5 minutes
Begin molding test aspecimens awithin a______ aminutes aafter aobtaining athe
acomposite asample a- aCORRECT aANSWER-15 aminutes
The aconcrete asamples ashould abe aprotected afrom a- aCORRECT aANSWER-the
asun, awind, aand aother asources aof arapid aevaporation, afrom acontamination
When atest aspecimens aare ato abe amolded, athe aminimum asize aof asample
aobtained ais a- aCORRECT aANSWER-28 aL a(1 aft^3)
The aprimary aobjective aof athe asampling aprocess ais ato aobtain aa arepresentative
asample a(T aor aF) a- aCORRECT aANSWER-T
When asampling afrom aa arevolving adrum atruck amixer acollect aconcrete afrom a______
aportions aof athe abatch a- aCORRECT aANSWER-2 aor amore
Wet asieving ais aperformed a- aCORRECT aANSWER-when athe aconcrete
acontains aaggregates alarger athan aappropriate afor aa atest
When asampling afrom aa apaving amixer ait ais anot aacceptable ato aplace a3 asmall
acontainers aon athe asub agrade ain aorder ato aobtain athe arequired asamples aof
aconcrete a(T aor aF) a- aCORRECT aANSWER-F
TEMPERATURE a- aCORRECT aANSWER-
it amay arequire aup ato a___ amin abefore athe atemp astabilizes awhen athe aNMS aof athe
acoarse aagg ais agreater athan a___ a- aCORRECT aANSWER-20min., a3in.
, The acontainer afor athe aconcrete ashall abe alarge aenough ato aprovide aat aleast a___
ainches, aor
_____ aof acoarse aagg, aof aconcrete ain aall adirections aaround athe aTMD a-
aCORRECT aANSWER-3in., a3 ax aNMS
The atemperature ameasuring adevice ashall ahave athe acapability aof
ameasuring athe atemperature aof athe afreshly amixed aconcrete ato a± a______
aoF aaccuracy aand ahave aa arange aof a______ ato a______ aoF. a- aCORRECT
aANSWER-1,30to120
A acomposite asample aof aconcrete ais anot arequired aeven aif athe aonly apurpose afor
aobtaining athe asample ais ato adetermine atemperature. aT aor aF a- aCORRECT
aANSWER-T
The aTemperature aMeasuring aDevice aused afor adetermining aconcrete atemperature
amust abe acalibrated a______ aor awhenever athere ais aa aquestion aof aaccuracy. a-
aCORRECT aANSWER-annually
The atemperature aof afreshly amixed aconcrete acan abe ameasured ain a- aCORRECT
aANSWER-all aof athe aabove
Submerge athe asensing aportion aof athe athermometer aat aleast a______ ainches
ainto athe aconcrete a- aCORRECT aANSWER-3
Gently apress aconcrete aaround athe athermometer asuch athat athe_______
adoes anot aaffect athe areading. a- aCORRECT aANSWER-ambient aair atemp
The athermometer amust aremain ain athe aconcrete aduring athe ameasurement afor aa
aminimum aof a______ aminutes. aIn aaddition, athe atemperature ameasurement amust abe
acompleted awithin
_______ aminutes aafter aobtaining athe asample. a- aCORRECT aANSWER-2, a5
The atemperature aof afreshly amixed aconcrete ais ameasured aand arecorded ato athe
anearest
_____ a- aCORRECT aANSWER-1 adegree
SLUMP aTEST a- aCORRECT aANSWER-
****The aslump atest adoes anot aprovide aan aindication aof athe awater acontent aof aa
aconcrete amixture. a- aCORRECT aANSWER-F
A aslump amold acan abe afabricated afrom aboth aplastic aand ametal. a- aCORRECT
aANSWER-T
****The alength aof athe atamping afor athe aslump atest ashall abe aapproximately a-
aCORRECT aANSWER-
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 individual samples are remixed into a composite sample (T or F) -
CORRECT ANSWER-F
Tests for slump, temperature, and air content must begin within ______ minutes
after obtaining the composite sample - CORRECT ANSWER-5 minutes
Begin molding test aspecimens awithin a______ aminutes aafter aobtaining athe
acomposite asample a- aCORRECT aANSWER-15 aminutes
The aconcrete asamples ashould abe aprotected afrom a- aCORRECT aANSWER-the
asun, awind, aand aother asources aof arapid aevaporation, afrom acontamination
When atest aspecimens aare ato abe amolded, athe aminimum asize aof asample
aobtained ais a- aCORRECT aANSWER-28 aL a(1 aft^3)
The aprimary aobjective aof athe asampling aprocess ais ato aobtain aa arepresentative
asample a(T aor aF) a- aCORRECT aANSWER-T
When asampling afrom aa arevolving adrum atruck amixer acollect aconcrete afrom a______
aportions aof athe abatch a- aCORRECT aANSWER-2 aor amore
Wet asieving ais aperformed a- aCORRECT aANSWER-when athe aconcrete
acontains aaggregates alarger athan aappropriate afor aa atest
When asampling afrom aa apaving amixer ait ais anot aacceptable ato aplace a3 asmall
acontainers aon athe asub agrade ain aorder ato aobtain athe arequired asamples aof
aconcrete a(T aor aF) a- aCORRECT aANSWER-F
TEMPERATURE a- aCORRECT aANSWER-
it amay arequire aup ato a___ amin abefore athe atemp astabilizes awhen athe aNMS aof athe
acoarse aagg ais agreater athan a___ a- aCORRECT aANSWER-20min., a3in.
, The acontainer afor athe aconcrete ashall abe alarge aenough ato aprovide aat aleast a___
ainches, aor
_____ aof acoarse aagg, aof aconcrete ain aall adirections aaround athe aTMD a-
aCORRECT aANSWER-3in., a3 ax aNMS
The atemperature ameasuring adevice ashall ahave athe acapability aof
ameasuring athe atemperature aof athe afreshly amixed aconcrete ato a± a______
aoF aaccuracy aand ahave aa arange aof a______ ato a______ aoF. a- aCORRECT
aANSWER-1,30to120
A acomposite asample aof aconcrete ais anot arequired aeven aif athe aonly apurpose afor
aobtaining athe asample ais ato adetermine atemperature. aT aor aF a- aCORRECT
aANSWER-T
The aTemperature aMeasuring aDevice aused afor adetermining aconcrete atemperature
amust abe acalibrated a______ aor awhenever athere ais aa aquestion aof aaccuracy. a-
aCORRECT aANSWER-annually
The atemperature aof afreshly amixed aconcrete acan abe ameasured ain a- aCORRECT
aANSWER-all aof athe aabove
Submerge athe asensing aportion aof athe athermometer aat aleast a______ ainches
ainto athe aconcrete a- aCORRECT aANSWER-3
Gently apress aconcrete aaround athe athermometer asuch athat athe_______
adoes anot aaffect athe areading. a- aCORRECT aANSWER-ambient aair atemp
The athermometer amust aremain ain athe aconcrete aduring athe ameasurement afor aa
aminimum aof a______ aminutes. aIn aaddition, athe atemperature ameasurement amust abe
acompleted awithin
_______ aminutes aafter aobtaining athe asample. a- aCORRECT aANSWER-2, a5
The atemperature aof afreshly amixed aconcrete ais ameasured aand arecorded ato athe
anearest
_____ a- aCORRECT aANSWER-1 adegree
SLUMP aTEST a- aCORRECT aANSWER-
****The aslump atest adoes anot aprovide aan aindication aof athe awater acontent aof aa
aconcrete amixture. a- aCORRECT aANSWER-F
A aslump amold acan abe afabricated afrom aboth aplastic aand ametal. a- aCORRECT
aANSWER-T
****The alength aof athe atamping afor athe aslump atest ashall abe aapproximately a-
aCORRECT aANSWER-
