ACI Aggregate Testing Technician Exam Questions and Solutions

ACI Aggregate Testing Technician Exam Questions and Solutions Generally speaking, small samples are most representative of the total supply. True or False? - Answer False; large samples are more representative *Reducing Samples* If Method A is to be used and the sample is wet, ____________ the sample. - Answer Dry *Reducing Samples* If Method B or C is to be used, ____________ the sample. - Answer Moisten *Reducing Samples* In Methods B and C, the sample is shoveled into a ____________ before it is flattened and divided. - Answer Conical pile *Reducing Samples* In quartering, retain two ____________ quarters and reject the other two. - Answer Diagonally opposite *Reducing Samples* In using the alternate procedure in Method B the field sample may be placed on a(n) _________________________. - Answer Canvas blanket or tear-resistant tarp *Reducing Samples* Method ____________ involves the use of chutes, holding receptacles, and hoppers or straight edge pans. - Answer A *Reducing Samples* Method A, the ____________ method, must be used with fine, dry aggregate. - Answer Mechanical splitter *Reducing Samples* Method C, miniature stockpiling, cannot be used for ____________ or mixtures of coarse and fine aggregate. - Answer Coarse aggregates *Reducing Samples* Sample splitters must have ____________ equal width chutes for coarse aggregate and ____________ for fine aggregate. - Answer 8; 12