ACI Certification: Performance Checklist Questions And Answers

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 - Answer-E 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 - Answer-A The method known as quartering: 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 D. Can be repeated until the sample is of the desired size - Answer-D Generally speaking, small samples are most representative of the total supply. A. True B. False - Answer-B A common wetting agent is ordinary liquid: A. Windshield solventB. Bleach C. Ammonia D. Dishwashing detergent - Answer-D The results must be reported to the nearest whole number if the fine material is what percent or greater of the total material used? A. 20%B. 10% C. 5% D. 0.5% E. 15% - Answer-B