ACI CONCRETE FIELD TESTING
TECHNICIAN GRADE I EXAMINATION TEST
2026 QUESTIONS AND SOLUTIONS FULLY
VERIFIED
●● 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
TECHNICIAN GRADE I EXAMINATION TEST
2026 QUESTIONS AND SOLUTIONS FULLY
VERIFIED
●● 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
