ACI Aggregate Testing Technician - Level 1 - Sample Written Exam
Questions & Verified Answers
1. Which of the following statements is false? Aggregates are sampled:
✔️ E) For determination of pricing
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
2. Appropriate equipment for inspection and sampling should be provided by:
✔️ A) The seller
B) The purchaser
C) The salesperson
D) The user
E) The testing company
3. The method known as quartering:
✔️ D) Can be repeated until the sample is of the desired size
A) Cannot be performed with a canvas blanket on an uneven floor surface
B) Cannot be performed without a canvas blanket
C) Requires the use of a mechanical splitter
4. Generally speaking, small samples are most representative of the total supply.
✔️ B) False
, - Other option:
A) True
5. A common wetting agent is ordinary liquid:
✔️ D) Dishwashing detergent
A) Windshield solvent
B) Bleach
C) Ammonia
6. The results must be reported to the nearest whole number if the fine material is what percent or
greater of the total material used?
✔️ B) 10%
A) 20%
C) 5%
D) 0.5%
E) 15%
7. More than ____ minutes is considered excessive time spent in the mechanical sieve shaker and may
result in degradation of the sample.
✔️ B) 10
A) 5
C) 15
D) 20
8. When sieving by hand, it is acceptable to rotate particles to see if they will go through sieve openings,
but not to force them through.
✔️ A) True
Questions & Verified Answers
1. Which of the following statements is false? Aggregates are sampled:
✔️ E) For determination of pricing
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
2. Appropriate equipment for inspection and sampling should be provided by:
✔️ A) The seller
B) The purchaser
C) The salesperson
D) The user
E) The testing company
3. The method known as quartering:
✔️ D) Can be repeated until the sample is of the desired size
A) Cannot be performed with a canvas blanket on an uneven floor surface
B) Cannot be performed without a canvas blanket
C) Requires the use of a mechanical splitter
4. Generally speaking, small samples are most representative of the total supply.
✔️ B) False
, - Other option:
A) True
5. A common wetting agent is ordinary liquid:
✔️ D) Dishwashing detergent
A) Windshield solvent
B) Bleach
C) Ammonia
6. The results must be reported to the nearest whole number if the fine material is what percent or
greater of the total material used?
✔️ B) 10%
A) 20%
C) 5%
D) 0.5%
E) 15%
7. More than ____ minutes is considered excessive time spent in the mechanical sieve shaker and may
result in degradation of the sample.
✔️ B) 10
A) 5
C) 15
D) 20
8. When sieving by hand, it is acceptable to rotate particles to see if they will go through sieve openings,
but not to force them through.
✔️ A) True
