Chapter 07 - Concrete Plant Supervisor and Operations Questions with Correct Answers 2025

Chapter 07 - Concrete Plant Supervisor and
Operations Questions with Correct Answers 2025

WhatEchemicalEreactionEoccursEwhenEwaterEandEcementEareEcombined?

A.EEmulsification

B.EHydration

C.ESolidification

D.EHydraulicEfusionE-ECORRECTEANSWERE-Hydration



WhatEprocessEmustEbeEminimizedEwhenEstockpilingEaggregates?

A.ESegregation

B.ESeparation

C.ESolidification

D.EDisintegrationE-ECORRECTEANSWERE-Segregation



WhenEaEspecificEweightEofEaggregateEisEcalledEfor,EwhatEtypeEofEscaleEisEused?

A.EDial

B.EBeam

C.EPressure

D.EBalanceE-ECORRECTEANSWERE-Beam



ConcreteEmixedEinEaEtransitEmixerEshouldEbeEdeliveredEandEdischargedEwithinE1E1/2EhoursEorEbefor
eEtheEdrumEhasErevolvedEwhatEmaximumEnumberEofEtimes?

A.E100

B.E200

C.E300

D.E400E-ECORRECTEANSWERE-300

, PortlandEcementEisEmanufacturedEfromEfinelyEgroundElimestoneEmixedEwithEwhichEmaterials?

1.EClay

2.EShale

3.EMarl

4.EAllEofEtheEaboveE-ECORRECTEANSWERE-AllEofEtheEabove



TheEchemicalEreactionEbetweenEcementEandEwaterEthatEproducesEconcreteEis

knownEbyEwhatEterm?

1.EConcrete

2.EHydraulics

3.EHydration

4.EEvaporationE-ECORRECTEANSWERE-Hydration



HowEisElaitanceEproducedEinEconcrete?

1.EWaterEcollectsEunderEtheEsurfaceEofEtheEcement.

2.ECementEisEhydratedEwithEsaltwater.

3.ECementEisEhydratedEwithEminimumEwater.

4.ECementEisEhydratedEwithEexcessEwater.E-ECORRECTEANSWERE-
CementEisEhydratedEwithEexcessEwater.



(TrueEorEFalse)EAggregateEisEtheEmaterialEcombinedEwithEcementEandEwaterEto

makeEconcrete.E-ECORRECTEANSWERE-True



AggregatesEusedEinEconcreteEoccupyEwhatEpercentageEofEtheEmixEbyEweight?

1.EBetweenE90%EtoE95%