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 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.
2 / 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.
3 / 10
What is the primary purpose of ASTM C1064?
ASTM C1064 provides a method for measuring the temperature of freshly mixed hydraulic-cement concrete to verify conformance to specified temperature requirements.
4 / 10
At what maximum time interval after obtaining the sample should the temperature of the concrete be measured?
5 / 10
What is the minimum required size of the concrete sample for temperature measurement according to ASTM C1064/C1064M?
6 / 10
What type of bath is used for verifying the accuracy of temperature measuring devices?
Verification of the accuracy of the temperature measuring devices may be made in oil or other suitable bath liquids having uniform density.
7 / 10
According to ASTM C1064/C1064M, the temperature measuring device must be capable of accurately measuring the temperature of fresh concrete to within what range?
8 / 10
How should the thermometer be inserted into the concrete sample to ensure an accurate temperature reading?
9 / 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.
10 / 10
What is the minimum period that the thermometer should be left in the concrete to ensure a stable reading?
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