CONCRETE OPERATIONS QUESTIONS
WITH CORRECT ANSWERS 2025
Batchinge-ECORRECTEANSWERE-
processeofemeasuringeconcreteemixeingredientsebyeeitheremasseorevolumeeandeintroducingethemei
ntoemixingewater
Mixingetimese-ECORRECTEANSWERE-1eminuteepluse15esecondseforeeacheadditionalecubiceyard
Central-mixedeconcretee-ECORRECTEANSWERE-
mixedeconpletelyeineaestationemixer,edeliveredeineaetruckeagitator
Shrink-mixedeconcretee-ECORRECTEANSWERE-
mixedepartiallyeineaestationaryemixereandecompletedeineaetruckemixer
Truck-mixedeconcretee-ECORRECTEANSWERE-mixedecompletelyeineaetruckemixer
Consequenceseofemixingeatehighespeedse-ECORRECTEANSWERE-
strengtheloss,etemperatureerise,eexcessiveelosseofeentrainedeair,eacceleratedeslumpeloss
Mobileebatcheremixere-ECORRECTEANSWERE-
advantages:ecombinedematerialsetransportereandebatchingeandemixingesystem.eoneeman
Disadvantage:ematerialemustebeeidenticaletoethoseeineoriginalemixedesign
Wateremayebeeaddedeatejobsiteeprovidede-ECORRECTEANSWERE-
w/ceratioeisenoteexceeded,eslumpeisenotelessethanespecified,eallowableemixingeandeagitatingetimeear
eenoteexceeded,econcreteeiseremixed
Non-agitatingetrucke-ECORRECTEANSWERE-shortehaulseoveresmootheroadways
WITH CORRECT ANSWERS 2025
Batchinge-ECORRECTEANSWERE-
processeofemeasuringeconcreteemixeingredientsebyeeitheremasseorevolumeeandeintroducingethemei
ntoemixingewater
Mixingetimese-ECORRECTEANSWERE-1eminuteepluse15esecondseforeeacheadditionalecubiceyard
Central-mixedeconcretee-ECORRECTEANSWERE-
mixedeconpletelyeineaestationemixer,edeliveredeineaetruckeagitator
Shrink-mixedeconcretee-ECORRECTEANSWERE-
mixedepartiallyeineaestationaryemixereandecompletedeineaetruckemixer
Truck-mixedeconcretee-ECORRECTEANSWERE-mixedecompletelyeineaetruckemixer
Consequenceseofemixingeatehighespeedse-ECORRECTEANSWERE-
strengtheloss,etemperatureerise,eexcessiveelosseofeentrainedeair,eacceleratedeslumpeloss
Mobileebatcheremixere-ECORRECTEANSWERE-
advantages:ecombinedematerialsetransportereandebatchingeandemixingesystem.eoneeman
Disadvantage:ematerialemustebeeidenticaletoethoseeineoriginalemixedesign
Wateremayebeeaddedeatejobsiteeprovidede-ECORRECTEANSWERE-
w/ceratioeisenoteexceeded,eslumpeisenotelessethanespecified,eallowableemixingeandeagitatingetimeear
eenoteexceeded,econcreteeiseremixed
Non-agitatingetrucke-ECORRECTEANSWERE-shortehaulseoveresmootheroadways