C1064/C1064M – 17—Temperature of Freshly Mixed Hydraulic-Cement Concrete
This test method covers the determination of temperature of freshly mixed hydraulic-cement concrete.
1 / 10
What is the minimum immersion depth for the temperature measuring device in the concrete?
The end of the temperature sensing portion of the device must be submerged a minimum of 75 mm into the freshly mixed concrete to ensure an accurate measurement.
2 / 10
What should be done after placing the temperature measuring device in the freshly mixed concrete?
After positioning the temperature measuring device, gently press the concrete around the device at the surface to prevent ambient air temperature from affecting the reading.
3 / 10
What is the reported accuracy of the reference temperature measuring device?
The reference temperature measuring device must be readable and accurate to ±0.2 °C at the verification points.
4 / 10
What should be done to the sample container before sampling freshly mixed concrete?
Immediately prior to sampling the freshly mixed concrete, the sample container should be dampened with water.
5 / 10
What is the minimum required size of the concrete sample for temperature measurement according to ASTM C1064/C1064M?
6 / 10
Which ASTM standard is referenced for the definition of terms used in ASTM C1064?
ASTM C125 is the standard that provides terminology relating to concrete and concrete aggregates used in ASTM C1064.
7 / 10
Which committee is responsible for the ASTM C1064 standard?
ASTM Committee C09 on Concrete and Concrete Aggregates is directly responsible for the ASTM C1064 standard.
8 / 10
According to ASTM C1064, what should be done if the temperature measuring device fails verification?
If the temperature measuring device fails verification, it may be adjusted and then reverified to check if it then meets the required accuracy.
9 / 10
At what maximum time interval after obtaining the sample should the temperature of the concrete be measured?
10 / 10
After inserting the temperature measuring device into the fresh concrete, what should be done with the surrounding concrete?
Your score is
The average score is 59%
Restart quiz
