ACI Concrete Field Testing Technician- Grade I
Final Exam With Questions and Verified
Answers Already Graded A+|Assured Success
According to ASTM C1064, what is one reason to take the temperature of concrete? - CORRECT
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? -
CORRECT ANSWER-False
The sample of concrete used for temperature determination must be rodded 25 times. True or False? -
CORRECT ANSWER-False
Sampling by this method is required when tests are to be made to determine _____ with specification
requirements. - CORRECT ANSWER-Compliance
This method covers sampling from four types of mixtures which are _____, _____, _____, and _____. -
CORRECT 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. - CORRECT ANSWER-15
Portions of a composite sample shall be thoroughly remixed bfore beginning tests on the sample. True
of False? - CORRECT 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. - CORRECT ANSWER-5
The molding of strength test specimens shall begin within _____ minutes after fabricating the composite
sample. - CORRECT ANSWER-15
The sensor of the temperature measuring device shall be submerged a minimum of _____ in.
[_____mm] into the freshly mixed concrete. - CORRECT 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 _____. - CORRECT ANSWER-1
degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C]
Final Exam With Questions and Verified
Answers Already Graded A+|Assured Success
According to ASTM C1064, what is one reason to take the temperature of concrete? - CORRECT
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? -
CORRECT ANSWER-False
The sample of concrete used for temperature determination must be rodded 25 times. True or False? -
CORRECT ANSWER-False
Sampling by this method is required when tests are to be made to determine _____ with specification
requirements. - CORRECT ANSWER-Compliance
This method covers sampling from four types of mixtures which are _____, _____, _____, and _____. -
CORRECT 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. - CORRECT ANSWER-15
Portions of a composite sample shall be thoroughly remixed bfore beginning tests on the sample. True
of False? - CORRECT 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. - CORRECT ANSWER-5
The molding of strength test specimens shall begin within _____ minutes after fabricating the composite
sample. - CORRECT ANSWER-15
The sensor of the temperature measuring device shall be submerged a minimum of _____ in.
[_____mm] into the freshly mixed concrete. - CORRECT 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 _____. - CORRECT ANSWER-1
degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C]
