ACI Concrete Field Testing Technician-
Grade 1 Test Questions and Answers
Question 1
Is the following statement true or false ? Representative samples are required for use
in tests conducted for the purpose of determining compliance with the specifications
for concrete quality. A. True B. False
Correct Answer
A. Ture
Question 2
The minimum size for samples to be used for strength tests is:
A. 1/2 ft3
B. 1 ft3
C. 2 ft3
D. 3 ft3
Correct Answer
B
Question 3
Unless specified otherwise, strength tests specimens molded from concrete having a
slump less than 1 inch must be consolidated by vibration. True or False
Correct Answer
True
Page 1 of 7
, Question 4
Strength test specimens transported from the field to the testing laboratory must be:
A. Protecting from jarring
B. Protected from moisture loss
C. Protected from freezing
D. A and ab only
E. A, B, and C
Correct Answer
E
Question 5
If the aggregate correction factor for a given source of fine and coarse aggregate is
found to be 0.2% in a pressure air meter, and an air content value of 5.0% is dead in
the gage of the same air meter containing concrete with the same aggregate, what is
the correct air content?
A. 3.0%
B. 5.2%
C. 4.8%
D. 0.4%
Correct Answer
C
Question 6
Is the following statement true or false ? After strike off of the measure used to
determine density , a small quantity of concrete may be added to correct a deficiency
. A. True B. False
Correct Answer
B. False
Page 2 of 7
Grade 1 Test Questions and Answers
Question 1
Is the following statement true or false ? Representative samples are required for use
in tests conducted for the purpose of determining compliance with the specifications
for concrete quality. A. True B. False
Correct Answer
A. Ture
Question 2
The minimum size for samples to be used for strength tests is:
A. 1/2 ft3
B. 1 ft3
C. 2 ft3
D. 3 ft3
Correct Answer
B
Question 3
Unless specified otherwise, strength tests specimens molded from concrete having a
slump less than 1 inch must be consolidated by vibration. True or False
Correct Answer
True
Page 1 of 7
, Question 4
Strength test specimens transported from the field to the testing laboratory must be:
A. Protecting from jarring
B. Protected from moisture loss
C. Protected from freezing
D. A and ab only
E. A, B, and C
Correct Answer
E
Question 5
If the aggregate correction factor for a given source of fine and coarse aggregate is
found to be 0.2% in a pressure air meter, and an air content value of 5.0% is dead in
the gage of the same air meter containing concrete with the same aggregate, what is
the correct air content?
A. 3.0%
B. 5.2%
C. 4.8%
D. 0.4%
Correct Answer
C
Question 6
Is the following statement true or false ? After strike off of the measure used to
determine density , a small quantity of concrete may be added to correct a deficiency
. A. True B. False
Correct Answer
B. False
Page 2 of 7
