Exam (elaborations)
ACI Certification Exam Questions With 100% Correct Answers 2024
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ACI Certification Exam Questions With 100% Correct Answers
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ACI Certification Exam Questions With100% Correct Answers
2.iT/F:iWhenitheiconcreteicontainsilargeiaggregate,itheitestingitechnicia
nishouldiwet-
sieveitheisampleibeforeimakingiunitiweightitestsiforiuseiiniyieldicomput
ations.i-iCorrectiAnswer-False
4.iT/F:iSamplesismallerithani28Li(1icu.ft.)iareiallowedioniroutineiairicont
ent,itemperature,iandislumpitests.i-iCorrectiAnswer-True
7.iHowidoiyouiregulateitheirateiofidischargeiofitheibatchifromitheirevolvi
ngitruckidrumimixerioriagitator?i-iCorrectiAnswer-
Byitheirateiofirevolutioniofitheidrum
10.iWhileitheitechnicianiisicheckingitheislumpiofitheiconcrete,ithereiisiai
decidedifallingiawayiorishearingioffiofitheiconcreteifromioneisideiofitheis
ample.iWhatishoulditheitechnicianido?i-iCorrectiAnswer-
Disregarditheitestiandiretestionianotheriportioniofitheisample
11.iTheimoldiisifillediinithreeiequalilayersibyivolume,iwhichimakesitheifir
stithirdiati_______,ianditheisecondithirdiati________.i-iCorrectiAnswer-
2i5/8,i6i1/8
, 15.iWhatiisitheidifferenceiallowedibyiACIiwhenicertifyingianiindividualite
stiusingiaiplasticislumpiconeivs.iaimetalislumpicone?i-iCorrectiAnswer-
0.5iinches
16.iT/F:iTheisidesiofitheislumpimoldishouldibeilightlyitappeditoiconsolida
teitheiconcreteiinitheimold.i-iCorrectiAnswer-False
18.iT/F:iASTMiCi1064idefinesitheimaximumirecommendeditemperaturei
foriconcrete.i-iCorrectiAnswer-False
19.iTheitemperatureitestimethodimustibeicompleteiwithiini_________ia
fteriobtainingitheisample.i-iCorrectiAnswer-5iminutes
20.iEachitemperature-
measuringideviceishouldibeicalibratedi________,ioriwheneverithereiisiai
questioniofi_________.i-iCorrectiAnswer-annually,iaccuracy
23.iT/F:iAfteristrikeioffiofitheimeasureiuseditoidetermineidensity,iaismall
iquantityioficoncreteimayibeiaddeditoicorrectiaideficiency?i-
iCorrectiAnswer-False
26.iWhatiisitheirequiredishapeiatitheiendiofitheitampingirod?i-
iCorrectiAnswer-roundeditoiaihemisphericalitip
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