1 for specific request mail
ACI Grade 1 Field Testing Certification Practice Test
- Irving Questions and Correct Answers | Latest
Update
For concrete with aggregates less than 3 inches, the thermometer must
remain in the fresh concrete sample a minimum of 5 minutes or until the
temperature reading stabilizes. (T or F)
Ans: False (2-5 minutes)
The temperature measuring device shall have a capacity of measuring
Assignment Expert
temperature of freshly mixed concrete throughout a range of _____ to
_____ degree F ( ______ to ______ degree C)
Guru01 - Stuvia
Ans: 30 to 120 degree F ( 0 to 50 degree C)
A composite sample is not needed if only the temperature test is being
run. (T or F)
2026
Ans: True
©
The temperature of fresh concrete in a placement must be measured by
inserting a thermometer into the top six inches of concrete. (T or F)
Ans: False (3 in.)
The temperature of the concrete is recorded to the nearest ______ degree
F (______ degree C)
Ans: 1 degree F (0.5 degree C)
Calibrate the temperature measuring device at least __________, or
whenever there is a question of accuracy.
Ans: Annually
After the thermometer is placed in the concrete:
, 2 for specific request mail
Ans: Gently press concrete around the thermometer
According to ASTM C1064, what is one reason to take the temperature of
concrete?
Ans: Verify conformance
It is allowable to remove the temperature measuring devices from the
freshly mixed concrete to read the temperature if you cannot see the
reading. (T or F)
Ans: False
Assignment Expert
The maximum allowable time between obtaining the first and last
portions of the composite sample may not exceed 5 minutes. (T or F)
Guru01 - Stuvia
Ans: False
Start molding specimens for strength tests within 30 minutes after
fabricating the composite sample. (T or F)
2026
Ans: False (15 mins)
©
The composite concrete sample must be protected from sun, wind,
contamination and rapid evaporation. (T or F)
Ans: False (Contamination and rapid evaporation)
If the concrete contains aggregates larger than those that are appropriate
for a size of mold or equipment used, the sample should be wet-sieved
before making the test. (T or F)
Ans: False (wet screened)
The composite sample not be remixed before beginning any tests. (T or F)
Ans: False
ACI Grade 1 Field Testing Certification Practice Test
- Irving Questions and Correct Answers | Latest
Update
For concrete with aggregates less than 3 inches, the thermometer must
remain in the fresh concrete sample a minimum of 5 minutes or until the
temperature reading stabilizes. (T or F)
Ans: False (2-5 minutes)
The temperature measuring device shall have a capacity of measuring
Assignment Expert
temperature of freshly mixed concrete throughout a range of _____ to
_____ degree F ( ______ to ______ degree C)
Guru01 - Stuvia
Ans: 30 to 120 degree F ( 0 to 50 degree C)
A composite sample is not needed if only the temperature test is being
run. (T or F)
2026
Ans: True
©
The temperature of fresh concrete in a placement must be measured by
inserting a thermometer into the top six inches of concrete. (T or F)
Ans: False (3 in.)
The temperature of the concrete is recorded to the nearest ______ degree
F (______ degree C)
Ans: 1 degree F (0.5 degree C)
Calibrate the temperature measuring device at least __________, or
whenever there is a question of accuracy.
Ans: Annually
After the thermometer is placed in the concrete:
, 2 for specific request mail
Ans: Gently press concrete around the thermometer
According to ASTM C1064, what is one reason to take the temperature of
concrete?
Ans: Verify conformance
It is allowable to remove the temperature measuring devices from the
freshly mixed concrete to read the temperature if you cannot see the
reading. (T or F)
Ans: False
Assignment Expert
The maximum allowable time between obtaining the first and last
portions of the composite sample may not exceed 5 minutes. (T or F)
Guru01 - Stuvia
Ans: False
Start molding specimens for strength tests within 30 minutes after
fabricating the composite sample. (T or F)
2026
Ans: False (15 mins)
©
The composite concrete sample must be protected from sun, wind,
contamination and rapid evaporation. (T or F)
Ans: False (Contamination and rapid evaporation)
If the concrete contains aggregates larger than those that are appropriate
for a size of mold or equipment used, the sample should be wet-sieved
before making the test. (T or F)
Ans: False (wet screened)
The composite sample not be remixed before beginning any tests. (T or F)
Ans: False
