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ACI- CONCRETE FIELD-TESTING TECHNICIAN - GRADE 1 >> QUESTIONS AND ANSWERS |LATEST|2024
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ACI- CONCRETE FIELD-TESTING TECHNICIAN - GRADE 1 >> QUESTIONS AND ANSWERS |LATEST|2024
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ACI- CONCRETE FIELD -TESTING TECHNICIAN - GRADE 1 >> QUESTIONS AND ANSWERS |LATEST|2024 Q1. VVStart VVmolding VVspecimens VVfor VVstrength VVtests VVwithin VV30 VVminutes VVafter VVfabricating VVthe VVcomposite VVsample. A. VVTrue B. VVFalse VV- VVcorrect VVanswersB. VVFalse VV VVASTM VVC172 VV-Para VV(4.1.2) VV- VVStart VVmolding. specimens VVfor VVstrength VVtests VVwithin VV15 VVmin VVafter VVfabricating VVthe composite VVsample. Q2. VVThe VVmaximum VVallowable VVtime VVbetween VVobtaining VVthe VVfirst VVand VVlast VVportions VVof VVthe VVcomposite VVsample VVmay VVnot VVexceed VV5 VVminutes. A. VVTrue B. VVFalse VV- VVcorrect VVanswersB. VVFalse VV ASTM VVC172 VV- VVPara VV(4.1)- VVThe VVelapsed VVtime VVshall VVnot VVexceed VV15 VVmin. VVbetween VVobtaining VVthe VVfirst VVand VVfinal VVportions VVof VVthe VVcomposite VVsample. Q3. VVThe VVcomposite VVconcrete VVsample VVmust VVbe VVprotected VVfrom VVsun, VVwind, VVcontamination VVand VVrapid VVevaporation. A. VVTrue B. VVFalse VV- VVcorrect VVanswersA. VVTrue VV ASTM VVC172 VV- VVPara VV(4.1.2) Q4. VVIf VVthe VVconcrete VVcontains VVaggregates VVlarger VVthan VVthose VVthat VVare VVappropriate VVfor VVa VVsize VVof VVmold VVor VVequipment VVused, VVthe VVsample VVshould VVbe VVwet VVsieved VVbefore VVmaking VVthe VVtest. A. VVTrue B. VVFalse VV- VVcorrect VVanswersA. VVTrue ASTM VVC172 - VVPara VV(6.1) Q5. VVThe VVcomposite VVsample VVshould VVnot VVbe VVremixed VVbefore VVbeginning VVany VVtests. A. VVTrue B. VVFalse VV- VVcorrect VVanswersB. VVFalse ASTM VVC172 -Para VV(4.1.1) VV-The VVsample VVshall VVbe VVcombined VVand VVremixed VVwith VVa VVshovel VVthe VVminimum VVamount VVnecessary VVto VVensure VVuniformity VVand VVcompliance VVwith VVthe VVmaximum VVtime VVlimits Q6. VVSampling VVshould VVnormally VVbe VVperformed, VVas VVthe VVconcrete VVis VVdischarged VVfrom VVthe VVmixer. A. VVTrue B. VVFalse VV- VVcorrect VVanswersB. VVFalse VVASTM VVC172 -Para VV(5). VVNOTE VV2—Sampling VVshould VVnormally VVbe VVperformed VVas VVthe VVconcrete VVis VVdelivered VVfrom VVthe VVmixer. VV To VVthe VVconveying VVvehicle VVused VVto VVtransport VVthe concrete VVto VVthe VVforms; VVhowever, VVspecificatio ns VVmay VVrequire VVother VVpoints VVof VVsampling, VVsuch VVas VVthe VVdischarge VVof VVa VVconcrete VVpump. Q7. VVASTM VVMethod VVC172 VVincludes VVsampling VVfrom VVstationary VVmixers, VVpaving VVmixers, VVtruck VVmixers, VVagitators, VVand VVnon-agitating VVequipment. A. VVTrue B. VVFalse VV- VVcorrect VVanswersA. VVTrue VV ASTM VVC172 - VVPara VV(1.1) Q8. VVAfter VVsampling VVis VVcompleted, VVstart VVthe VVtests VVfor VVslump VVand VVair VVcontent VVwithin: A. VV2 VV½ VVminutes B. VV10 VVminutes C. VV15 VVminutes D. VVNone VVof VVthe VVabove VV- VVcorrect VVanswersD. VVNone VVof VVthe VVabove ASTM VVC172 - VVPara VV(4.1.2) VVStart VVtests VVfor VVslump, VVtemperature, VVand VVair VVcontent VVwithin VV5 VVmin VVafter VVobtaining VVthe VVfinal VVportion VVof VVthe VVcomposite VVsample. Q9. VVIn VVany VVcase, VVdo VVnot VVobtain VVsamples VVuntil: A. VVAll VVthe VVwater VVand VVadmixtures VVhave VVbeen VVadded VVto VVthe VVconcr ete B. VV200 VVrevolutions VVof VVthe VVdrum VVhave VVbeen VVobtained C. VV½ VVof VVthe VVwater VVhas VVbeen VVadded D. VVNone VVof VVthe VVabove VV- VVcorrect VVanswersA. VVAll VVthe VVwater VVand VVadmixtures VVhave VVbeen VVadded VVto VVthe VVconcrete. ASTM VVC172 - VVPara VV(5.2.3). VVIn VVany VVcase VVdo VVnot VVobtain VVsamples VVuntil VVafter VVall VVof VVthe VVwater VVhas VVbeen VVadded VVto VVthe VVmixer. Q10. VVNo VVsamples VVshall VVbe VVtaken VVbefore_________ VVor VVafter_________ VVof VVthe VVbatch VVhas VVbeen VVdischarged. A. VV10% VVor VVafter VV90% B. VV20% VVor VVafter VV90% C. VV20% VVor VVafter VV80% D. VVNone VVof VVthe VVabove VV- VVcorrect VVanswersA. VV10% VVor VVafter VV90% ASTM VVC172 - VVPara VV(5.2.1). NOTE VV3—No VVsamples VVshould VVbe VVtaken VVbefore VV10 VV% VVor VVafter VV90 VV% VVof VVthe VVbatch VVhas VVbeen VVdischarged. VV Due VVto VVthe VVdifficulty VVof VVdetermining VVthe VVactual VVquantity VVof VVconcrete VVdischarged, VVthe VVintent VVis VVto VVprovide VVsamples VVthat VVare VVrepresentative VVof VVwidely VVseparated VVportions, VVbut VVnot VVthe VVbeginning VVand VVthe VVend VVof VVthe VVload. Q11. VVWhen VVstrength VVtests VVare VVto VVbe VVmade, VVthe VVminimum VVsize VVof VVthe VVcomposite VVsample VVshall VVbe: A. VV¼ VVcubic VVfoot B. VV1 VVcubic VVfoot C. VVAny VVconvenient VVsize D. VV1 VVWheelbarrow VV- VVcorrect VVanswersB. VV1 VVcubic VVfoot ASTM VVC172 - VVPara VV(5.1). Make VVthe VVsamples VVto VVbe VVused VVfor VVstrength VVtests VVa VVminimum VVof VV28 VVL VV(1 VVft3). Q12. VVSample VVthe VVconcrete VVfrom VVthe VVchute VVof VVa VVtruck VVmixer VVby: A. VVRaising VVchute VVto VVstop VVthe VVflow VVand VVscoop VVconcrete VVfrom VVthere VVinto VVthe VVslump VVcone VVand VVcylinder VVmolds B. VVPassing VVa VVreceptacle VVcompletely VVthrough VVthe VVdischarge VVsteam VVor VVby VVcompletely VVdiverting VVthe VVdischarge VVinto VVthe VVsample VVcontainer C. VVHolding VVa VVshovel VVin VVthe VVflow VVand VVdirect VVhalf VVinto VVa VVbucket D. VVNone VVof VVthe VVabove VV- VVcorrect VVanswersB. VV Passing VVa VVreceptacle VVcompletely VVthrough VVthe VVdischarge VVsteam VVor VVby VVcompletely VVdiverting VVthe VVdischarge VVinto VVthe VVsample VVcontainer. ASTM VVC172 - VVPara VV(5.2.3). Q13. VVFresh VVconcrete VVto VVbe VVtested VVat VVthe VVjob VVsite VVshould VVbe VVsamp led VVfrom: A. VVThe VVbeginning VVof VVmixer VVdischarge B. VVThe VVlast VVconcrete VVdischarged C. VVTwo VVor VVmore VVregularly VVspaced VVintervals VVduring VVdischarge VVof VVthe VVmiddle VVportion VVof VVthe VVbatch D. VVAll VVof VVthe VVabove VV- VVcorrect VVanswersC. VVTwo VVor VVmore VVregularly VVspaced VVintervals VVduring VVdischarge VVof VVthe VVmiddle VVportion VVof VVthe VVbatch ASTM VVC172 - VVPara VV(5.2.1). Q14. VVThe VVelapsed VVtime VVbetween VVobtaining VVthe VVfirst VVand VVfinal VVportions VVof VVthe VVcomposite VVsample, VVaccording VVto VVASTM VVC172, VVshall VVnot VVexceed: A. VV10 VVminutes B. VV20 VVminutes C. VV30 VVminutes D. VVNone VVof VVthe VVabove VV- VVcorrect VVanswersD. VVNone VVof VVthe VVabove ASTM VVC172 - VVPara VV(4.1) The VVelapsed VVtime VVshall VVnot VVexceed VV15 VVmin. VVbetween obtaining VVthe VVfirst VVand VVfinal VVportions VVof VVthe VVcomposite VVsample. Q15. VVWhat VVmust VVoccur VVbefore VVa VVsample VVof VVconcrete VVcan VVbe VVtaken VVfrom VVa VVrevolving VVdrum VVmixer? VV- VVcorrect VVanswersAll VVwater VVand VVadmixtures VVmust VVbe VVadded VVto VVthe VVmixer. ASTM VVC172 - VVPara VV(5.2.3) Q16. VVDescribe VVthe VVdifferent VVprocedures VVthat VVcan VVbe VVused VVto VVcollect VVa VVsample VVof VVconcrete VVfrom VVa VVstationary VVor VVrevolving VVdrum VVmixer. VV- VVcorrect VVanswersASTM VVC172 - VV(Para. VV5.2.1 VVand VV5.23) + VVRepeatedly VVpass VVa VVreceptacle VVthrough VVthe VVentire VVdischarge VVstream. + VVCompletely VVdivert VVthe VVdischarge VVstream VVinto VVa VVsample VVcontainer. Q17. VVWhat VVare VVthe VVrequired VVsteps VVfor VVcollecting VVa VVsample VVof VVconc rete VVfrom VVa VVstationary VVor VVrevolving VVdrum VVmixer? VV- VVcorrect VVanswersASTM VVC172 - VV(Para. VV5.2.1 VVand VV5.2.3) + VVCollect VVtwo VVor VVmore VVportions VVof VVconcrete.The benefits of buying summaries with Stuvia:
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