ACI CONCRETE FIELD TESTING TECHNICIAN- GRADE I EXAM
WITH COMPLETE SOLUTIONS 100% VERIFIED!!!! ALREADY
GRADED A+
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
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
, ACI CONCRETE FIELD TESTING TECHNICIAN- GRADE I EXAM
WITH COMPLETE SOLUTIONS 100% VERIFIED!!!! ALREADY
GRADED A+
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
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
WITH COMPLETE SOLUTIONS 100% VERIFIED!!!! ALREADY
GRADED A+
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
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
, ACI CONCRETE FIELD TESTING TECHNICIAN- GRADE I EXAM
WITH COMPLETE SOLUTIONS 100% VERIFIED!!!! ALREADY
GRADED A+
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
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
