Questions and Verified ASTM Standard Answers
Description: This document provides verified exam questions and answers for the
ACI Aggregate Testing Technician Level 1 certification. It covers ASTM testing
procedures including aggregate sampling, sample reduction, sieve analysis, specific
gravity, and moisture content determination. The material also explains fine vs.
coarse aggregate handling and test accuracy requirements, making it highly
valuable for candidates preparing for certification.
During this test method, water-soluble materials, clay particles, and incidental
aggregate particles are removed from the aggregate. True or False? -
answer✔✔True Of the two possible test procedures, Procedure A is to be used
unless otherwise specified. True or False? - answer✔✔True In one of the methods
only ____ is used for washing and in the other method a ____ is used as well. -
answer✔✔Water, wetting agent The purpose of using a wetting agent is to ____
finer than the 75 μm sieve from the coarser material. - answer✔✔Loosen material
Dry sieving separates out the finer particles more effectively than wet sieving. True
1
or False? - answer✔✔False; wet sieving works better The kinds of materials that
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