ACI WRITTEN EXAM QUESTIONS | TESTED AND PROVEN ANSWERS | LATEST UPDATE 2024/2025 100% (GRADE A+)

ACI WRITTEN EXAM QUESTIONS | TESTED AND
PROVEN ANSWERS | LATEST UPDATE 2024/2025
100% (GRADE A+)
The sensor of the temperature measureing device shall be submerged a minimum of ____ in


Ans>> 3 (75mm)




The temperature measureing device shall have a capacity of measuring temperature of

freshly mixed conrcrete to +-_____ degrees F throught a range of _____


Ans>> 1(.5 degrees C), 30-120 (0-50 degrees C)




The temperature measuring device shall be calibrated____, or whenever there is a question

of _____


Ans>> annually, accuracy




The temp of concrete may be measured in a wheelbarrow


Ans>> true




the temp of concrete may be measured in a wall form



1

,Ans>> true




A composite sample of concrete is required even if the only purpose for obtaining the

sample is to determine temp.


Ans>> false




What must be done to the sample container prior to sampling the concrete


Ans>> dampen (with water)




what must be done to the concrete surrounding the temp measuring device after the device

has submerged


Ans>> Press concrete around measuring device




How long must the temp device remain in the concrete


Ans>> at least 2 minutes (but no more than 5)




After temp of concrete is read, what then is required



2

, Ans>> reporting of temp




the temp of concrete to be measured to the nearest ____degree F


Ans>> 1 (.5 degree C)




According to the ASTM C1064 what is one reason to take the temp of concrete


Ans>> verify conformance to a specified requirement for temp




A max temp of concrete is specified in ASTM C1064


Ans>> False




The sample of concrete used for temp determination must be rodded 25 times


Ans>> False




Sampling by this method is required when tests are to be made to determine ____ with

specification requirements


Ans>> compliance


3