1 for specific request mail
ACI Certification- Concrete Field Testing Technician
Grade 1 CP-1 (12) Questions and Correct Answers |
Latest Update
ASTM C1064
Ans: Standard Test Method For Temperature of Freshly Mixed Hydraulic-
Cement Concrete
The sensor of the temperature measuring device shall be submerged a
minimum of ______ inches into the freshly mixed concrete.
Assignment Expert
Ans: 3"
The temperature measuring device shall have a capacity of measuring
Guru01 - Stuvia
temperature of freshly mixed concrete to ± ______ °F throughout a range
of ____________.
Ans: 1 degree, 30 degrees to 120 degrees
2026
The temperature measuring device shall be calibrated ______ , or
©
whenever there is a question of ______ .
Ans: Annually, accuracy
The temperature of concrete may be measured in a wheelbarrow. True or
False?
Ans: True
The temperature of concrete may be measured in a wall form. True or
False?
Ans: True
What must be done to the sample container prior to sampling the
concrete?
, 2 for specific request mail
Ans: Dampen with water
What must be done to the concrete surrounding the temperature
measuring device after the device is submerged in the fresh concrete?
Ans: Close off air voids by gently pressing the concrete around the
device
How long must the temperature measuring device remain in the freshly
mixed concrete?
Ans: minimum of two minutes, maximum of five minutes
Assignment Expert
The temperature of the concrete is reported to the nearest ______ °F
Guru01 - Stuvia
Ans: 1 degree
A maximum temperature of freshly mixed concrete is specified in ASTM
C1064. True or False?
2026
Ans: False
ASTM C172
©
Ans: Standard Practice for Sampling Freshly Mixed Concrete
Sampling by this method is required when tests are to be made to
determine _____ with specification requirements.
Ans: Compliance
This method covers sampling from four types of mixers, which are _____ ,
_____ , _____ , and _____ .
Ans: 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.
, 3 for specific request mail
Ans: 15
Portions of a composite sample shall be thoroughly remixed before
beginning tests on the sample. True or False?
Ans: 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.
Ans: 5
Assignment Expert
The molding of strength test specimens shall begin within _____ minutes
after fabricating the composite
Guru01 - Stuvia
sample.
Ans: 15
2026
The concrete sample must be protected from contamination and _____.
Ans: Rapid evaporation
©
The minimum size sample for making strength test specimens is _____.
Ans: 1 cubic foot
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
ACI Certification- Concrete Field Testing Technician
Grade 1 CP-1 (12) Questions and Correct Answers |
Latest Update
ASTM C1064
Ans: Standard Test Method For Temperature of Freshly Mixed Hydraulic-
Cement Concrete
The sensor of the temperature measuring device shall be submerged a
minimum of ______ inches into the freshly mixed concrete.
Assignment Expert
Ans: 3"
The temperature measuring device shall have a capacity of measuring
Guru01 - Stuvia
temperature of freshly mixed concrete to ± ______ °F throughout a range
of ____________.
Ans: 1 degree, 30 degrees to 120 degrees
2026
The temperature measuring device shall be calibrated ______ , or
©
whenever there is a question of ______ .
Ans: Annually, accuracy
The temperature of concrete may be measured in a wheelbarrow. True or
False?
Ans: True
The temperature of concrete may be measured in a wall form. True or
False?
Ans: True
What must be done to the sample container prior to sampling the
concrete?
, 2 for specific request mail
Ans: Dampen with water
What must be done to the concrete surrounding the temperature
measuring device after the device is submerged in the fresh concrete?
Ans: Close off air voids by gently pressing the concrete around the
device
How long must the temperature measuring device remain in the freshly
mixed concrete?
Ans: minimum of two minutes, maximum of five minutes
Assignment Expert
The temperature of the concrete is reported to the nearest ______ °F
Guru01 - Stuvia
Ans: 1 degree
A maximum temperature of freshly mixed concrete is specified in ASTM
C1064. True or False?
2026
Ans: False
ASTM C172
©
Ans: Standard Practice for Sampling Freshly Mixed Concrete
Sampling by this method is required when tests are to be made to
determine _____ with specification requirements.
Ans: Compliance
This method covers sampling from four types of mixers, which are _____ ,
_____ , _____ , and _____ .
Ans: 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.
, 3 for specific request mail
Ans: 15
Portions of a composite sample shall be thoroughly remixed before
beginning tests on the sample. True or False?
Ans: 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.
Ans: 5
Assignment Expert
The molding of strength test specimens shall begin within _____ minutes
after fabricating the composite
Guru01 - Stuvia
sample.
Ans: 15
2026
The concrete sample must be protected from contamination and _____.
Ans: Rapid evaporation
©
The minimum size sample for making strength test specimens is _____.
Ans: 1 cubic foot
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
