ACI Concrete Field-Testing Technician - Grade I Questions and Answers (68 terms) A+ Score Solution 2024.

ACI Concrete Field-Testing Technician - Grade I




ACI Concrete Field-Testing Technician -
Grade I Questions and Answers (68
terms) A+ Score Solution 2024.
The end of the temperature sensing portion of the temperature measuring device
is submerged a minimum of __mm [__in.] into the freshly mixed concrete. -
Answer: 77mm /3in.

, ACI Concrete Field-Testing Technician - Grade I


The temperature measuring device shall be capable of accurately measuring the
temperature of freshly mixed concrete to +- __C [+__F] throught a range of __. -
Answer: 0.5 C / +-1F / 0-50 Decrees C


The temp. measuring device shall be verified __, or whenever there is a question
of __. - Answer: Annually / accuracy


The temp of concrete may be measured in a wheelbarrow? T/F - Answer: True


The temp. of concrete may be measured in a wall form. T/F - Answer: True


A composite sample of concrete is required even if the only purpose for obtaining
the sample is to determine temp. T/F - Answer: False


What must be done to the sample container prior to sampling the concrete -
Answer: It must be dampened with water


What must be done to the concrete surrounding the temp measuring device after
the device is submerged in the fresh concrete? - Answer: Gently press the
concrete at the surface around the measuring device.


How long must the temperature measuring device remain in the freshly mixed
concrete? - Answer: At least 2 min., no longer than 5 min.