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ACI CONCRETE FIELD TESTING GRADE I
PRACTICE EXAM NEWEST 2025 ACTUAL EXAM
COMPLETE 150 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
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- The sensor of the temperature measuring device shall be
submerged a minimum of ___ in. [___ mm] into the freshly
mixed concrete:
ANSWER: 3 in. [75 mm]
- The temperature measuring device shall have a capacity of
measuring temperature of freshly mixed concrete to ± ___
degrees F [± ___ C] throughout a range of ___:
ANSWER: 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to
50 C]
- The temperature measuring device shall be calibrated ___, or
whenever there is a question of ___:
ANSWER: Annually, accuracy
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- The temperature of concrete may be measured in a
wheelbarrow. True or False?
ANSWER: T
- The temperature of concrete may be measured in a wall form.
True or False?
ANSWER: T
- A composite sample of concrete is required even if the only
purpose for obtaining the sample is to determine temperature.True or False?
ANSWER: F
- What must be done to the sample container prior to sampling
the concrete?
ANSWER: Dampen (with water)
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- What must be done to the concrete surrounding the
temperature measuring device after the device is submerged in the fresh concrete?
ANSWER: Gently press the concrete around the temperature
measuring device at the surface of the concrete
- How long must the temperature measuring device remain in
the freshly mixed concrete?
ANSWER: At least 2 minutes but not more than 5 minutes
- After the temperature of the concrete is read, what is
required?
ANSWER: Reporting of temperature
- The temperature of concrete is reported to the nearest ___
degrees F [___ C]:
ANSWER: 1 degree F [0.5 C]
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- According to ASTM C1064, what is one reason to take the
temperature of concrete?
ANSWER: Verify conformance to a specified requirement for
temperature of concrete
- A maximum temperature of freshly mixed concrete is
specified in ASTM C1064. True or False?
ANSWER: F
- The sample of concrete used for temperature determination
must be rodded 25 times. True or False?
ANSWER: F
- Sampling by this method is required when tests are to be
made to determine ___ with specification requirements:
ANSWER: Compliance
- This method covers sampling from four types of mixers,