, ASTM C1064
✓ 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.
✓ 3"
The temperature measuring device shall have a capacity of measuring temperature of freshly mixed
concrete to ± ______ °F throughout a range of ____________.
✓ 1 degree, 30 degrees to 120 degrees
The temperature measuring device shall be calibrated ______ , or whenever there is a question of
______ .
✓ Annually, accuracy
The temperature of concrete may be measured in a wheelbarrow. True or False?
✓ True
The temperature of concrete may be measured in a wall form. True or False?
✓ True
What must be done to the sample container prior to sampling the concrete?
✓ Dampen with water
What must be done to the concrete surrounding the temperature measuring device after the device is
submerged in the fresh concrete?
✓ 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?
✓ minimum of two minutes, maximum of five minutes
The temperature of the concrete is reported to the nearest ______ °F
✓ 1 degree
A maximum temperature of freshly mixed concrete is specified in ASTM C1064. True or False?
✓ False
ASTM C172
✓ Standard Practice for Sampling Freshly Mixed Concrete
Sampling by this method is required when tests are to be made to determine _____ with specification
requirements.
✓ 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.
✓ 3"
The temperature measuring device shall have a capacity of measuring temperature of freshly mixed
concrete to ± ______ °F throughout a range of ____________.
✓ 1 degree, 30 degrees to 120 degrees
The temperature measuring device shall be calibrated ______ , or whenever there is a question of
______ .
✓ Annually, accuracy
The temperature of concrete may be measured in a wheelbarrow. True or False?
✓ True
The temperature of concrete may be measured in a wall form. True or False?
✓ True
What must be done to the sample container prior to sampling the concrete?
✓ Dampen with water
What must be done to the concrete surrounding the temperature measuring device after the device is
submerged in the fresh concrete?
✓ 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?
✓ minimum of two minutes, maximum of five minutes
The temperature of the concrete is reported to the nearest ______ °F
✓ 1 degree
A maximum temperature of freshly mixed concrete is specified in ASTM C1064. True or False?
✓ False
ASTM C172
✓ Standard Practice for Sampling Freshly Mixed Concrete
Sampling by this method is required when tests are to be made to determine _____ with specification
requirements.
