ACI CONCRETE STRENGTH TESTING
TECHNICIAN SAMPLE WRITTEN EXAM
UPDATED ACTUAL QUESTIONS AND 100
PERCENT CORRECT ANSWERS VERIFIED
⩥ ASTM C231.
Answer: Concrete Air Content Test - Pressure Method
⩥ ASTM C173.
Answer: Concrete Air Content Test - Volume Method
⩥ ASTM C172.
Answer: Sampling Fresh Concrete
⩥ ASTM C143.
Answer: Standard Test Method for Slump of Hydraulic-Cement
Concrete
⩥ ASTM C138.
Answer: Standard Test Method for Density (Unit Weight), Yield, and Air
Content (Gravimetric) of Concrete
,⩥ ASTM C1064.
Answer: Standard Test Method for Temperature of Freshly Mixed
Hydraulic-Cement Concrete
⩥ The end of the temperature sensing portion of the temperature
measuring device is submerged a minimum of _____ into the freshly
mixed concrete.
Answer: 3"
⩥ The temperature measuring device shall be capable of accurately
measuring the temperature of freshly mixed concrete to ___ throughout
a range of ____..
Answer: 1 degree, 30 to 120 degrees
⩥ The temperature measuring device shall be verified ___, or whenever
there is a question of ____..
Answer: annually, accuracy
⩥ The temperature of concrete may be measured in a wheelbarrow..
Answer: True
⩥ The temperature of concrete may be measured in a wall form..
Answer: True
, ⩥ A composite sample of concrete is required even if the only purpose
for obtaining the sample is to determine the temperature..
Answer: False
⩥ What must be done to the sample container prior to sampling the
concrete?.
Answer: dampen with water
⩥ What must be done to the concrete surrounding the temperature
measuring device after the device is submerged in concrete?.
Answer: Tap the edges
⩥ How long must the temperature measuring device remain in the
freshly mixed concrete?.
Answer: 2 min, no more than 5 min
⩥ After the temperature of concrete is read, what is required?.
Answer: Reporting of the temperature
⩥ The temperature of the concrete is reported to the nearest ___.
Answer: 0.5 degree
TECHNICIAN SAMPLE WRITTEN EXAM
UPDATED ACTUAL QUESTIONS AND 100
PERCENT CORRECT ANSWERS VERIFIED
⩥ ASTM C231.
Answer: Concrete Air Content Test - Pressure Method
⩥ ASTM C173.
Answer: Concrete Air Content Test - Volume Method
⩥ ASTM C172.
Answer: Sampling Fresh Concrete
⩥ ASTM C143.
Answer: Standard Test Method for Slump of Hydraulic-Cement
Concrete
⩥ ASTM C138.
Answer: Standard Test Method for Density (Unit Weight), Yield, and Air
Content (Gravimetric) of Concrete
,⩥ ASTM C1064.
Answer: Standard Test Method for Temperature of Freshly Mixed
Hydraulic-Cement Concrete
⩥ The end of the temperature sensing portion of the temperature
measuring device is submerged a minimum of _____ into the freshly
mixed concrete.
Answer: 3"
⩥ The temperature measuring device shall be capable of accurately
measuring the temperature of freshly mixed concrete to ___ throughout
a range of ____..
Answer: 1 degree, 30 to 120 degrees
⩥ The temperature measuring device shall be verified ___, or whenever
there is a question of ____..
Answer: annually, accuracy
⩥ The temperature of concrete may be measured in a wheelbarrow..
Answer: True
⩥ The temperature of concrete may be measured in a wall form..
Answer: True
, ⩥ A composite sample of concrete is required even if the only purpose
for obtaining the sample is to determine the temperature..
Answer: False
⩥ What must be done to the sample container prior to sampling the
concrete?.
Answer: dampen with water
⩥ What must be done to the concrete surrounding the temperature
measuring device after the device is submerged in concrete?.
Answer: Tap the edges
⩥ How long must the temperature measuring device remain in the
freshly mixed concrete?.
Answer: 2 min, no more than 5 min
⩥ After the temperature of concrete is read, what is required?.
Answer: Reporting of the temperature
⩥ The temperature of the concrete is reported to the nearest ___.
Answer: 0.5 degree
