and Study Guide
equipment, procedures, material supply - correct answer ✔✔ Whiat should be discussed at a
prep our conference?
the distance between bars, the distance from bar ends to side forms, and the straightness of
bars - correct answer ✔✔ What should be checked on reinforcing steel during a prepour
inspection?
the anticipated deflection under the screen, the finished grade, and the rail elevation - correct
answer ✔✔ What should be considered when establishing the proper elevation of a transverse
screed?
to ensure that the screed will yield proper grade at all points - correct answer ✔✔ What is the
main purpose of the dry run of the transverse screed over the pour unit?
the District Laboratory Engineer - correct answer ✔✔ Who must approve the PCC Job Mix
Release prior to beginning a pour?
two years - correct answer ✔✔ How long is a concrete plant certification valid?
Cement Certificate of Delivery - correct answer ✔✔ What must accompany a shipment of
cement that is to be used in concrete for DOTD projects?
the working face of the stockpiles, and the flow between the batch bin and the weighing hopper
- correct answer ✔✔ Which areas must the contractor take aggregate samples from for job
control and verification testing?
, revolution counters, drum capacity and rotation speeds, and the water metering system -
correct answer ✔✔ What items should be checked daily on a transit mixer?
place the bucket on a plywood platform - correct answer ✔✔ What is an acceptable procedure
for filling a concrete bucket?
cement grout - correct answer ✔✔ What is used to lubricate tubes for a concrete pumping
operation?
Mixing, placement, consolidation, finishing, straightening, tine finishing, and curing - correct
answer ✔✔ What is the order of operations for pouring a bridge deck?
Contractor's Qualified Technician - correct answer ✔✔ Who is responsible for determining the
actual number of mixing speed revolutions to be performed at the plant?
it makes concrete more pourous & more workable? - correct answer ✔✔ What 2 reasons to use
an air entrainment admixture?
80° F - correct answer ✔✔ At what ambient air temperature are hot weather practices required
to begin?
it must be removed & replaced - correct answer ✔✔ What must be done to a concrete slab that
froze between the initial and final set?
using a special untoothed rake, or dragging by a shovel - correct answer ✔✔ What 2 methods
can be used to safely move concrete during pouring operations?
slump, amount of water being added, and water cement ratio - correct answer ✔✔ If free water
appears on the surface of a slab, what should the inspector check for?