ACI Certification
15 mm (3 in) - ANS-The end temperature sensing portion of the temperature measuring device
is submerged a minimum of _______ into the freshly mixed concrete.
0.5 deg C (1 deg F) throughout a range of 0-50 deg C (30-120 deg F) - ANS-The temperature
measuring device shall be capable of accurately measuring the temperature of freshly mixed
concrete to _________ throughout a range of __________.
True - ANS-T/F The temp. of concrete may be measured in a wheelbarrow.
True - ANS-T/F The temp of conc. may be measured in a wall form.
False - ANS-T/F A composite sample of concrete is required even if the only purpose for
obtaining the sample is to determine temp.
Dampened - ANS-What must be done to the sample container prior to sampling concrete?
Pressed around the surface of the device gently - ANS-What must be done to the concrete
surrounding the temperature measuring device after the device is submerged in the fresh
concrete?
2 min but no more than 5 min - ANS-How long must the temperature measuring device remain
in the freshly mixed concrete?
Report the temp. - ANS-After the temp. of the concrete is read, what then is required?
0.5 deg C (1 deg F) - ANS-The temp. of the concrete is reported to the nearest.
Strength verification - ANS-According to test method C1064/C1064M, what is one reason to
take the temp. of concrete?
False - ANS-A max temp. of freshly mixed conc. is specified in Test method C1064.
False - ANS-The sample of concrete used for temp. determination must be rodded 25 times?
compliance - ANS-sampling by this practice covers procedures for obtaining representative
samples, on which tests are to be performed to determine _______ with quality requirements of
the specifications under which the concrete is furnished.
Stationary mixer, paving mixer, revolving drum truck, continuous mixer, and open top -
ANS-What 5 types of equipment does the sampling section cover?
15 mm (3 in) - ANS-The end temperature sensing portion of the temperature measuring device
is submerged a minimum of _______ into the freshly mixed concrete.
0.5 deg C (1 deg F) throughout a range of 0-50 deg C (30-120 deg F) - ANS-The temperature
measuring device shall be capable of accurately measuring the temperature of freshly mixed
concrete to _________ throughout a range of __________.
True - ANS-T/F The temp. of concrete may be measured in a wheelbarrow.
True - ANS-T/F The temp of conc. may be measured in a wall form.
False - ANS-T/F A composite sample of concrete is required even if the only purpose for
obtaining the sample is to determine temp.
Dampened - ANS-What must be done to the sample container prior to sampling concrete?
Pressed around the surface of the device gently - ANS-What must be done to the concrete
surrounding the temperature measuring device after the device is submerged in the fresh
concrete?
2 min but no more than 5 min - ANS-How long must the temperature measuring device remain
in the freshly mixed concrete?
Report the temp. - ANS-After the temp. of the concrete is read, what then is required?
0.5 deg C (1 deg F) - ANS-The temp. of the concrete is reported to the nearest.
Strength verification - ANS-According to test method C1064/C1064M, what is one reason to
take the temp. of concrete?
False - ANS-A max temp. of freshly mixed conc. is specified in Test method C1064.
False - ANS-The sample of concrete used for temp. determination must be rodded 25 times?
compliance - ANS-sampling by this practice covers procedures for obtaining representative
samples, on which tests are to be performed to determine _______ with quality requirements of
the specifications under which the concrete is furnished.
Stationary mixer, paving mixer, revolving drum truck, continuous mixer, and open top -
ANS-What 5 types of equipment does the sampling section cover?
