GRADE I CERTIFICATION EXAM SCRIPT 2026
QUESTIONS WITH CORRECT ANSWERS
◉ 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.
◉ After the temperature of the concrete is read, what is then required?
Answer: Reporting of temp.
◉ The temp. of concrete is reported to the nearest __. Answer: 1 degree
F
◉ According to ASTM C1064, what is one reason to take the
temperature of concrete? Answer: to verify conformance to a specific
requirement.
◉ A max. temp. of freshly mixed concrete is specified in ASTM C1064.
T/F. Answer: False
◉ The sample of concrete used for temperature determination must be
rodded 25 times. Answer: False
◉ Sampling by this method covers procedures or obtaining
representative samples, on which test are to be performed to determined