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ACI WRITTEN EXAM QUESTIONS AND CORRECT VERIFIED ANSWERS

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ACI WRITTEN EXAM QUESTIONS AND CORRECT VERIFIED ANSWERS

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ACI WRITTEN EXAM QUESTIONS AND
CORRECT VERIFIED ANSWERS
False.A2RelativelyA2denseA2-A2Ans--
TheA2methodA2ofA2determiningA2airA2contentA2ofA2concreteA2containingA2lightweightA2aggr
egateA2isA2theA2pressureA2method

TrueA2-A2Ans--IsA2theA2followingA2statementA2trueA2orA2false?
A2WhenA2makingA2aA2testA2cylinderA2fromA2concreteA2beingA2usedA2inA2construction,A2theA
2fieldA2technicianA2mustA2alsoA2measureA2theA2slumpA2ofA2theA2concrete.


DisregardA2theA2testA2andA2retestA2onA2anotherA2portionA2ofA2theA2sample.A2-A2Ans--
WhileA2theA2technicianA2isA2checkingA2theA2slumpA2ofA2theA2concrete,A2thereA2isA2aA2decid
edA2fallingA2awayA2orA2shearingA2offA2ofA2concreteA2fromA2oneA2sideA2ofA2theA2sample.A2W
hatA2shouldA2theA2technicianA2do?

DeterminationA2thatA2atA2leastA28A2hoursA2hasA2elapsedA2sinceA2finalA2set.A2-A2Ans--
PreparationA2ofA2specimensA2forA2transportA2includes:

4.8%A2-A2Ans--
IfA2theA2aggregateA2correctionA2factorA2forA2aA2givenA2sourceA2ofA2fineA2andA2coarseA2aggr
egateA2isA2foundA2toA2beA20.2%A2inA2aA2pressureA2airA2meter,A2andA2anA2airA2contentA2valu
eA2ofA25.0%A2isA2readA2onA2theA2gaugeA2ofA2theA2sameA2airA2meterA2containingA2concreteA
2withA2theA2sameA2aggregate,A2whatA2isA2theA2correctA2airA2content?


ProtectedA2fromA2jarring,A2moistureA2loss,A2andA2freezingA2-A2Ans--
StrengthA2testA2specimensA2transportedA2fromA2theA2fieldA2toA2theA2testingA2laboratoryA2m
ustA2be:

5A2MInutesA2-A2Ans--
TestsA2forA2slumpA2andA2airA2contentA2mustA2beA2startedA2withinA2________A2afterA2obtain
ingA2theA2finalA2portionA2ofA2theA2compositeA2sample.

1A2cubicA2footA2-A2Ans--
TheA2minimumA2sizeA2forA2samplesA2toA2beA2usedA2forA2strengthA2testA2is:

FalseA2-A2Ans--IsA2theA2followingA2statementA2trueA2orA2false?
A2AfterA2strikeA2offA2ofA2theA2measureA2usedA2toA2determineA2density,A2aA2smallA2quantityA
2ofA2concreteA2mayA2beA2addedA2toA2correctA2aA2deficiency.


60A2toA280A2degreesA2fA2(16A2toA227A2degreesA2C)A2-A2Ans--
ForA2normalA2strengthA2concretes,A2whatA2temperatureA2rangeA2mustA2beA2maintainedA2fo
rA2testA2cylindersA2duringA2initialA2curing?

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