1|Page
ACI Flatwork Exam practice Questions and
verified Answers 2025 already graded A+
It is important that the ____________ __________ read
and understand project specifications. - .....ANSWER
...✔✔ finisher foreman
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
Concrete is sold by the ton? - .....ANSWER ...✔✔
False
Delays in discharging concrete trucks can result in the
concrete being hard to: - .....ANSWER ...✔✔ pump,
place, and finish
When there is room for two concrete trucks ready to
discharge into a pump hopper, placement is faster
because: - .....ANSWER ...✔✔ as one truck is finishing,
the other is ready to unload the concrete
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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 concrete
truck by looking at the: - .....ANSWER ...✔✔ 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
When 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
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The question, "What finisher or finishers can request
addition of water to the concrete truck on site?" should
be answered at the ______ _________. - .....ANSWER
...✔✔ Pre-construction meeting
Concrete made with portland cement will set and harden
while under water. - .....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 has coarse
aggregate with a maximum size of: - .....ANSWER
...✔✔ 3/4 to 1 1/2 in.
Sand for concrete used in slabs on ground is easier to
finish when it has close to the largest allowable amount
of material passing the No. 50 and No. 100 sieve. -
.....ANSWER ...✔✔ True
Increasing the amount of sand in a concrete usually
decreases the amount of water needed to make the
concrete workable. - .....ANSWER ...✔✔ False
ACI Flatwork Exam practice Questions and
verified Answers 2025 already graded A+
It is important that the ____________ __________ read
and understand project specifications. - .....ANSWER
...✔✔ finisher foreman
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
Concrete is sold by the ton? - .....ANSWER ...✔✔
False
Delays in discharging concrete trucks can result in the
concrete being hard to: - .....ANSWER ...✔✔ pump,
place, and finish
When there is room for two concrete trucks ready to
discharge into a pump hopper, placement is faster
because: - .....ANSWER ...✔✔ as one truck is finishing,
the other is ready to unload the concrete
,2|Page
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 concrete
truck by looking at the: - .....ANSWER ...✔✔ 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
When 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
, 3|Page
The question, "What finisher or finishers can request
addition of water to the concrete truck on site?" should
be answered at the ______ _________. - .....ANSWER
...✔✔ Pre-construction meeting
Concrete made with portland cement will set and harden
while under water. - .....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 has coarse
aggregate with a maximum size of: - .....ANSWER
...✔✔ 3/4 to 1 1/2 in.
Sand for concrete used in slabs on ground is easier to
finish when it has close to the largest allowable amount
of material passing the No. 50 and No. 100 sieve. -
.....ANSWER ...✔✔ True
Increasing the amount of sand in a concrete usually
decreases the amount of water needed to make the
concrete workable. - .....ANSWER ...✔✔ False
