ACI Field Grade 1 Practice Test QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
The temperature measuring device shall be cable of
accurately measuring the temperature of freshly mixed
concrete to 1°F throught a range
of____________________________. - CORRECT
ANSWER-30 - 120°F
It is acceptable to measure the temperature of freshly
mixed concrete in the forms provided? - CORRECT
ANSWER-The sensor of the temperature measuring
device has at least 3 in. of cover in all directions.
Composite samples are required even if the only purpose
for obtaining the sample is to determine temperature. -
CORRECT ANSWER-False
The temperature measuring device is left in the freshly
mixed concrete for at least _______________ but not
more than 5 minutes. - CORRECT ANSWER-2 minutes
, Test Method C1064/C1064M specifies a maximum
temperature of freshly mixed concrete. - CORRECT
ANSWER-False
The elapsed time between obtaining the first and final
portions of a composite sample shall not exceed
____________________. - CORRECT ANSWER-15
minutes
Individual samples shall be combined and remixed with a
shovel the minimum amount necessary to ensure
uniformity. - CORRECT ANSWER-True
The following test must be started within 5 minutes after
obtaining the final portion of the composite sample: -
CORRECT ANSWER-Slump, Temperature, Air Content
The concrete sample must be protected from? -
CORRECT ANSWER-Contamination & Evaporation
When strength specimens are to be made, the minimum
sample size is __________________. - CORRECT
ANSWER-1.0 ft3
Portions of the composite should be taken from the
_______________of the batch discharge. - CORRECT
ANSWER-Middle
While placing the concrete in the bowl, move the scoop
around the perimeter of the bowl opening to ensure an
even distribution of the concrete with minimal segregation.
- CORRECT ANSWER-True
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
The temperature measuring device shall be cable of
accurately measuring the temperature of freshly mixed
concrete to 1°F throught a range
of____________________________. - CORRECT
ANSWER-30 - 120°F
It is acceptable to measure the temperature of freshly
mixed concrete in the forms provided? - CORRECT
ANSWER-The sensor of the temperature measuring
device has at least 3 in. of cover in all directions.
Composite samples are required even if the only purpose
for obtaining the sample is to determine temperature. -
CORRECT ANSWER-False
The temperature measuring device is left in the freshly
mixed concrete for at least _______________ but not
more than 5 minutes. - CORRECT ANSWER-2 minutes
, Test Method C1064/C1064M specifies a maximum
temperature of freshly mixed concrete. - CORRECT
ANSWER-False
The elapsed time between obtaining the first and final
portions of a composite sample shall not exceed
____________________. - CORRECT ANSWER-15
minutes
Individual samples shall be combined and remixed with a
shovel the minimum amount necessary to ensure
uniformity. - CORRECT ANSWER-True
The following test must be started within 5 minutes after
obtaining the final portion of the composite sample: -
CORRECT ANSWER-Slump, Temperature, Air Content
The concrete sample must be protected from? -
CORRECT ANSWER-Contamination & Evaporation
When strength specimens are to be made, the minimum
sample size is __________________. - CORRECT
ANSWER-1.0 ft3
Portions of the composite should be taken from the
_______________of the batch discharge. - CORRECT
ANSWER-Middle
While placing the concrete in the bowl, move the scoop
around the perimeter of the bowl opening to ensure an
even distribution of the concrete with minimal segregation.
- CORRECT ANSWER-True
