ACI FLATWORK EXAM 2 2026 EXAM SCRIPT
TEST PAPER QUESTIONS AND SOLUTIONS
GRADED A+
◉ If the crew can place and finish 100 yd3 of concrete per hour, the
producer's delivery rate should be about _____ yd3 per hour.
Answer: 100
◉ What unit is concrete sold by?
Answer: The Cubic Yard
◉ Delays in discharging concrete trucks can result in the concrete
being hard to:
Answer: Pump, Place, and Finish
◉ When there is room for two pump trucks ready to discharge
concrete placement is faster for what reason?
Answer: While one truck is finishing the other is getting ready to
unload concrete
◉ Concrete from a ready mix truck must usually be completely
discharged within _____ hours after water has been added at the
plant.
,Answer: 1.5
◉ You can tell when water has been added to the mix by looking at
the concrete?
Answer: The Batch Ticket
◉ When concrete for a slab placement will be discharged from the
truck chute, truck arrivals should usually be spaced at about:
Answer: 15 minutes
◉ hen finishers get behind because the concrete is setting faster
than expected and the placing crew is also shorthanded, one
solution is slowing the concrete delivery rate to match worker
output.
Answer: True
◉ In deciding how much concrete to order for a floor placement, you
should calculate the number of cubic yards needed to fill the forms,
then order two to three cubic yards less so you don't waste concrete
that is not needed.
Answer: False (Always get more)
, ◉ The question, "What finisher or finishers can request addition of
water to the concrete truck on site?" should be answered at the ______
_________.
Answer: This should be answered at the pre-construction meeting
◉ Concrete made with Portland cement will set and harden while
under water. True or False?
Answer: True
◉ If a concrete slab on ground won't be exposed to sulfates, the
cement used is most likely to be:
Answer: Type I
◉ Most concrete used in slabs on ground have a coarse aggregate
size of what?
Answer: 3/4in. - 1 1/2in
◉ What Sand for concrete used in slabs on ground is easier to finish?
Answer: The No. 50 and No. 100 sieve.
◉ Increasing the amount of sand in concrete usually decreases the
amount of water needed to make the concrete workable.
Answer: False
TEST PAPER QUESTIONS AND SOLUTIONS
GRADED A+
◉ If the crew can place and finish 100 yd3 of concrete per hour, the
producer's delivery rate should be about _____ yd3 per hour.
Answer: 100
◉ What unit is concrete sold by?
Answer: The Cubic Yard
◉ Delays in discharging concrete trucks can result in the concrete
being hard to:
Answer: Pump, Place, and Finish
◉ When there is room for two pump trucks ready to discharge
concrete placement is faster for what reason?
Answer: While one truck is finishing the other is getting ready to
unload concrete
◉ Concrete from a ready mix truck must usually be completely
discharged within _____ hours after water has been added at the
plant.
,Answer: 1.5
◉ You can tell when water has been added to the mix by looking at
the concrete?
Answer: The Batch Ticket
◉ When concrete for a slab placement will be discharged from the
truck chute, truck arrivals should usually be spaced at about:
Answer: 15 minutes
◉ hen finishers get behind because the concrete is setting faster
than expected and the placing crew is also shorthanded, one
solution is slowing the concrete delivery rate to match worker
output.
Answer: True
◉ In deciding how much concrete to order for a floor placement, you
should calculate the number of cubic yards needed to fill the forms,
then order two to three cubic yards less so you don't waste concrete
that is not needed.
Answer: False (Always get more)
, ◉ The question, "What finisher or finishers can request addition of
water to the concrete truck on site?" should be answered at the ______
_________.
Answer: This should be answered at the pre-construction meeting
◉ Concrete made with Portland cement will set and harden while
under water. True or False?
Answer: True
◉ If a concrete slab on ground won't be exposed to sulfates, the
cement used is most likely to be:
Answer: Type I
◉ Most concrete used in slabs on ground have a coarse aggregate
size of what?
Answer: 3/4in. - 1 1/2in
◉ What Sand for concrete used in slabs on ground is easier to finish?
Answer: The No. 50 and No. 100 sieve.
◉ Increasing the amount of sand in concrete usually decreases the
amount of water needed to make the concrete workable.
Answer: False
