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ACI Written Exam Questions with 100% correct Answers ( A+ GRADED LATEST UPDATE 2024/2025).
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ACI Written Exam Questions with 100% correct Answers ( A+ GRADED LATEST UPDATE 2024/2025).
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ACIWritten
Exam
The
sensor
of
the
temperature
measuring
device
shall
be
submerged
a
minimum
of
____
in
-
ANS
3
(75mm)
The
temperature
measuring
device
shall
have
a
capacity
of
measuring
temperature
of
freshly
mixed
concrete
to
+-_____
degrees
F
through
a
range
of
_____
-
ANS
1(.5
degrees
C),
30-120
(0-50
degrees
C)
The
temperature
measuring
device
shall
be
calibrated____,
or
whenever
there
is
a
question
of
_____
-
ANS
annually,
accuracy
The
temp
of
concrete
may
be
measured
in
a
wheelbarrow
-
ANS
true
the
temp
of
concrete
may
be
measured
in
a
wall
form
-
ANS
true
A
composite
sample
of
concrete
is
required
even
if
the
only
purpose
for
obtaining
the
sample
is
to
determine
temp.
-
ANS
false
What
must
be
done
to
the
sample
container
prior
to
sampling
the
concrete
-
ANS
dampen
(with
water)
what
must
be
done
to
the
concrete
surrounding
the
temp
measuring
device
after
the
device
has
submerged
-
ANS
Press
concrete
around
measuring
device
How
long
must
the
temp
device
remain
in
the
concrete
-
ANS
at
least
2
minutes
(but
no
more
than
5)
After
temp
of
concrete
is
read,
what
then
is
required
-
ANS
reporting
of
temp
the
temp
of
concrete
to
be
measured
to
the
nearest
____degree
F
-
ANS
1
(.5
degree
C)
According
to
the
ASTM
C1064
what
is
one
reason
to
take
the
temp
of
concrete
-
ANS
verify
conformance
to
a
specified
requirement
for
temp
A
max
temp
of
concrete
is
specified
in
ASTM
C1064
-
ANS
False
The
sample
of
concrete
used
for
temp
determination
must
be
rodded
25
times
-
ANS
False
Sampling
by
this
method
is
required
when
tests
are
to
be
made
to
determine
____
with
specification
requirements
-
ANS
compliance
The
method
covers
sampling
from
four
types
of
mixers
which
are
_____,
_____,
____,
and
_______
-
ANS
stationary
mixes,
paving
mixers,
revolving
drum
mixers
and
open
top
mixers The
maximum
allowable
time
between
obtaining
the
first
and
final
portions
of
a
composite
sample
is
______
minutes
-
ANS
15
Portions
of
a
composite
sample
shall
be
thoroughly
remixed
before
beginning
tests
on
the
sample
-
ANS
True
The
maximum
elapsed
time
allowed
between
obtaining
the
final
portion
of
the
composite
sample
and
beginning
the
tests
for
slump,
temp,
and
air
content
is
______
minutes
-
ANS
5
the
molding
of
strength
test
specimens
shall
begin
within
____
minutes
after
fabricating
the
composite
sample
-
ANS
15
The
concrete
sample
must
be
protected
from
contamination
and
____
-
ANS
rapid
evaporation
The
minimum
size
sample
test
specimen
is
-
ANS
28
L
(1
ft^3)
when
sampling
from
a
stationary
mixer
the
batch
must
be
sampled
at
_____
or
more
regularly
spaced
intervals
during
discharge
of
the
middle
portion
of
the
batch
-
ANS
2
The
composite
sample
for
a
paving
mixer
must
represent
a
minimum
of
_____
different
portions
of
the
batch
of
concrete
taken
from
the
pile
after
discharge
-
ANS
5
When
sampling
from
a
revolving
drum
truck
mixer,
concrete
must
be
sampled
at
a
minimum
of
______
regularly
spaced
intervals
during
discharge
of
the
middle
portion
of
the
batch
-
ANS
2
Concrete
samples
from
a
truck
mixer
must
be
obtained
before
any
water
or
admixtures
are
added
to
the
mixer
at
the
job
site
-
ANS
False
The
composite
sample
from
a
truck
mixer
must
be
obtained
from
the
_____
portion
of
the
batch
-
ANS
Middle
When
the
concrete
contains
aggregate
larger
than
permitted
for
a
particular
test
method,
the
sample
of
concrete
must
be
______
______
before
making
the
test
-
ANS
Wet
Sieved
The
slump
test
is
applicable
to
plastic
concrete
with
a
max
aggregate
size
of
____
in
-
ANS
1.5
in
(37.5
mm)
When
concrete
contains
aggregate
larger
than
allowed
for
the
slump
test
the
large
aggregate
must
be
-
ANS
removed
by
wet
sieving
the
sample
over
1.5
in
sieve
The
mold
for
making
the
slump
test
is
the
shape
of
-
ANS
the
frustum
of
a
cone
The
height
of
the
slump
mold
is
_____
in
-
ANS
12
The
interior
surface
of
the
slump
mold
is
allowed
to
have
minor
irregularities
-
ANS
false
For
use
in
the
slump
test,
the
end
or
both
ends
of
the
tamping
rod
must
be
-
ANS
rounded
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