ACI Aggregate Testing Technician -
Level 1 - Sample Written Exam 2024
Questions & Correct Answers. Graded
A+.
1. Which of the following statements is false? Aggregates are sampled:
A. For the acceptance or rejection of materials
B. For the control of operations at the site of use
C. For preliminary investigation of the potential source of supply
D. For the control of the product at the source of supply
E. For determination of pricing - ANSE
A common wetting agent is ordinary liquid:
A. Windshield solvent
B. Bleach
C. Ammonia
D. Dishwashing detergent - ANSD
AASHTO T 84 Standard Method of Test for Specific Gravity and Absorption of Fine
Aggregate Equipment needed to carry out this test includes:
A. Balance
B. Pycnometer
C. Tarp
D.Aand B
E.Aand C - ANSD
After the 3% NaOH solution is added to the sample of fine aggregate in the bottle:
A. The aggregate and liquid mixture should be heated gently until it becomes darker
than the reference mixture
B. The bottle should be shaken and then allowed to stand for 3 hours before color
comparison is made
C. The solution should not be disturbed for one hour, after which color comparison may
be made
D. Stopper the bottle, shake vigorously, and then allow to stand for 24 hours - ANSD
An ordinary frying pan should never be used with a hot plate because of heat transfer
problems.
A. True
B. False - ANSB
Appropriate equipment for inspection and sampling should be provided by:
A. The seller
Level 1 - Sample Written Exam 2024
Questions & Correct Answers. Graded
A+.
1. Which of the following statements is false? Aggregates are sampled:
A. For the acceptance or rejection of materials
B. For the control of operations at the site of use
C. For preliminary investigation of the potential source of supply
D. For the control of the product at the source of supply
E. For determination of pricing - ANSE
A common wetting agent is ordinary liquid:
A. Windshield solvent
B. Bleach
C. Ammonia
D. Dishwashing detergent - ANSD
AASHTO T 84 Standard Method of Test for Specific Gravity and Absorption of Fine
Aggregate Equipment needed to carry out this test includes:
A. Balance
B. Pycnometer
C. Tarp
D.Aand B
E.Aand C - ANSD
After the 3% NaOH solution is added to the sample of fine aggregate in the bottle:
A. The aggregate and liquid mixture should be heated gently until it becomes darker
than the reference mixture
B. The bottle should be shaken and then allowed to stand for 3 hours before color
comparison is made
C. The solution should not be disturbed for one hour, after which color comparison may
be made
D. Stopper the bottle, shake vigorously, and then allow to stand for 24 hours - ANSD
An ordinary frying pan should never be used with a hot plate because of heat transfer
problems.
A. True
B. False - ANSB
Appropriate equipment for inspection and sampling should be provided by:
A. The seller
