ACI Concrete Field Testing Technician- Grade I
Exam Questions With Correct Answers
The sensor of the temperature measuring device shall be submerged a
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minimum of _____ in. [_____mm] into the freshly mixed concrete. -
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CORRECT ANSWER✔✔-3 in. [75 mm]
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The temperature measuring device shall have a capacity of measuring
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temperature of freshly mixed concrete to +- _____ degrees F [+- _____
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C] throughout a range of _____. - CORRECT ANSWER✔✔-1 degree F [0.5
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C], 30 degrees F to 120 F [0 C to 50 C]
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The temperature measuring device shall be calibrated _____, or
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whenever there is a question of _____. - CORRECT ANSWER✔✔-
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Annually, accuracy |
The temperature of concrete may be measured in a wheelbarrow. True
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or False? - CORRECT ANSWER✔✔-True
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The temperature of concrete may be measured in a wall form. True of
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False - CORRECT ANSWER✔✔-True
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,A composite sample of concrete is required even if the only purpose for
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obtaining the sample is to determine temperature. True of False? -
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CORRECT ANSWER✔✔-False |
What must be done to the sample container prior to sampling the
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concrete? - CORRECT ANSWER✔✔-Dampen (with water)
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What must be done to the concrete surrounding the temperature
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measuring device after the device is submerged in the fresh concrete. -
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CORRECT ANSWER✔✔-Gently press the concrete around the
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temperature measuring device at the surface of the concrete
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How long must the temperature measuring device remain in the freshly
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mixed concrete? - CORRECT ANSWER✔✔-At least 2 minutes but not
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more than 5 minutes
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After the temperature of the concrete is read, what is required? -
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CORRECT ANSWER✔✔-Reporting of temperature
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The temperature of concrete is reported to the nearest _____ degrees F
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[_____ C] - CORRECT ANSWER✔✔-1 degree F [0.5 C]
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, According to ASTM C1064, what is one reason to take the temperature
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of concrete? - CORRECT ANSWER✔✔-Verify conformance to a specified
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requirement for temperature of concrete | | | |
A maximum temperature of freshly mixed concrete is specified in ASTM
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C1064. True of False? - CORRECT ANSWER✔✔-False
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The sample of concrete used for temperature determination must be
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rodded 25 times. True or False? - CORRECT ANSWER✔✔-False
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Sampling by this method is required when tests are to be made to
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determine _____ with specification requirements. - CORRECT
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ANSWER✔✔-Compliance
This method covers sampling from four types of mixtures which are
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_____, _____, _____, and _____. - CORRECT ANSWER✔✔-Stationary
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mixers, paving mixers, revolving drum mixers, and open top mixers
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The maximum allowable time between obtaining the first and final
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portions of a composite sample is _____ minutes. - CORRECT
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ANSWER✔✔-15
Exam Questions With Correct Answers
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]
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The temperature measuring device shall be calibrated _____, or
| | | | | | | | |
whenever there is a question of _____. - CORRECT ANSWER✔✔-
| | | | | | | | |
Annually, accuracy |
The temperature of concrete may be measured in a wheelbarrow. True
| | | | | | | | | | |
or False? - CORRECT ANSWER✔✔-True
| | | |
The temperature of concrete may be measured in a wall form. True of
| | | | | | | | | | | | |
False - CORRECT 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? -
| | | | | | | | | | |
CORRECT ANSWER✔✔-False |
What must be done to the sample container prior to sampling the
| | | | | | | | | | | |
concrete? - CORRECT 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. -
| | | | | | | | | | | |
CORRECT 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? - CORRECT ANSWER✔✔-At least 2 minutes but not
| | | | | | | | | |
more than 5 minutes
| | |
After the temperature of the concrete is read, what is required? -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-Reporting of temperature
| | |
The temperature of concrete is reported to the nearest _____ degrees F
| | | | | | | | | | | |
[_____ C] - CORRECT ANSWER✔✔-1 degree F [0.5 C]
| | | | | | | |
, 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
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ANSWER✔✔-15
