1
ACI CONCRETE FIELD TESTING TECHNICIAN GRADE I
EXAM (ACTUAL EXAM 2025) | ALL QUESTIONS AND
CORRECT ANSWERS | GRADED A+ | LATEST EXAM |
VERIFIED ANSWERS | JUST RELEASED
The sensor of the temperature measuring device shall be submerged a minimum
of _____ in. [_____mm] into the freshly mixed concrete. - (ANSWER)3 in. [75
mm]
The temperature measuring device shall have a capacity of measuring
temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C]
throughout a range of _____. - (ANSWER)1 degree F [0.5 C], 30 degrees F to 120 F
[0 C to 50 C]
The temperature measuring device shall be calibrated _____, or whenever there
is a question of _____. - (ANSWER)Annually, accuracy
The temperature of concrete may be measured in a wheelbarrow. True or False? -
(ANSWER)True
The temperature of concrete may be measured in a wall form. True of False -
(ANSWER)True
A composite sample of concrete is required even if the only purpose for obtaining
the sample is to determine temperature. True of False? - (ANSWER)False
, 2
What must be done to the sample container prior to sampling the concrete? -
(ANSWER)Dampen (with water)
What must be done to the concrete surrounding the temperature measuring
device after the device is submerged in the fresh concrete. - (ANSWER)Gently
press the concrete around the temperature measuring device at the surface of
the concrete
How long must the temperature measuring device remain in the freshly mixed
concrete? - (ANSWER)At least 2 minutes but not more than 5 minutes
After the temperature of the concrete is read, what is required? -
(ANSWER)Reporting of temperature
The temperature of concrete is reported to the nearest _____ degrees F [_____ C]
- (ANSWER)1 degree F [0.5 C]
According to ASTM C1064, what is one reason to take the temperature of
concrete? - (ANSWER)Verify conformance to a specified requirement for
temperature of concrete
A maximum temperature of freshly mixed concrete is specified in ASTM C1064.
True of False? - (ANSWER)False
, 3
The sample of concrete used for temperature determination must be rodded 25
times. True or False? - (ANSWER)False
Sampling by this method is required when tests are to be made to determine
_____ with specification requirements. - (ANSWER)Compliance
This method covers sampling from four types of mixtures which are _____, _____,
_____, and _____. - (ANSWER)Stationary mixers, 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. - (ANSWER)15
Portions of a composite sample shall be thoroughly remixed bfore beginning tests
on the sample. True of False? - (ANSWER)True
The maximum elapsed time allowed between obtaining the final portion of the
composite sample and beginning the tests for slump, temperature, and air
content is _____ minutes. - (ANSWER)5
The molding of strength test specimens shall begin within _____ minutes after
fabricating the composite sample. - (ANSWER)15
The concrete sample must be protected from contamination and _____. -
(ANSWER)Rapid evaporation
ACI CONCRETE FIELD TESTING TECHNICIAN GRADE I
EXAM (ACTUAL EXAM 2025) | ALL QUESTIONS AND
CORRECT ANSWERS | GRADED A+ | LATEST EXAM |
VERIFIED ANSWERS | JUST RELEASED
The sensor of the temperature measuring device shall be submerged a minimum
of _____ in. [_____mm] into the freshly mixed concrete. - (ANSWER)3 in. [75
mm]
The temperature measuring device shall have a capacity of measuring
temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C]
throughout a range of _____. - (ANSWER)1 degree F [0.5 C], 30 degrees F to 120 F
[0 C to 50 C]
The temperature measuring device shall be calibrated _____, or whenever there
is a question of _____. - (ANSWER)Annually, accuracy
The temperature of concrete may be measured in a wheelbarrow. True or False? -
(ANSWER)True
The temperature of concrete may be measured in a wall form. True of False -
(ANSWER)True
A composite sample of concrete is required even if the only purpose for obtaining
the sample is to determine temperature. True of False? - (ANSWER)False
, 2
What must be done to the sample container prior to sampling the concrete? -
(ANSWER)Dampen (with water)
What must be done to the concrete surrounding the temperature measuring
device after the device is submerged in the fresh concrete. - (ANSWER)Gently
press the concrete around the temperature measuring device at the surface of
the concrete
How long must the temperature measuring device remain in the freshly mixed
concrete? - (ANSWER)At least 2 minutes but not more than 5 minutes
After the temperature of the concrete is read, what is required? -
(ANSWER)Reporting of temperature
The temperature of concrete is reported to the nearest _____ degrees F [_____ C]
- (ANSWER)1 degree F [0.5 C]
According to ASTM C1064, what is one reason to take the temperature of
concrete? - (ANSWER)Verify conformance to a specified requirement for
temperature of concrete
A maximum temperature of freshly mixed concrete is specified in ASTM C1064.
True of False? - (ANSWER)False
, 3
The sample of concrete used for temperature determination must be rodded 25
times. True or False? - (ANSWER)False
Sampling by this method is required when tests are to be made to determine
_____ with specification requirements. - (ANSWER)Compliance
This method covers sampling from four types of mixtures which are _____, _____,
_____, and _____. - (ANSWER)Stationary mixers, 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. - (ANSWER)15
Portions of a composite sample shall be thoroughly remixed bfore beginning tests
on the sample. True of False? - (ANSWER)True
The maximum elapsed time allowed between obtaining the final portion of the
composite sample and beginning the tests for slump, temperature, and air
content is _____ minutes. - (ANSWER)5
The molding of strength test specimens shall begin within _____ minutes after
fabricating the composite sample. - (ANSWER)15
The concrete sample must be protected from contamination and _____. -
(ANSWER)Rapid evaporation
