ACI Aggregate Testing Technician - Level 1 - Section 3 Questions And Answers.

ACI Aggregate Testing Technician - Level 1 -
Section 3 Questions And Answers.



During this test method, water-soluble materials, clay
particles, and incidental aggregate particles are removed
from the aggregate. True or False? - (Correct Answer) True

Of the two possible test procedures, Procedure A is to be
used unless otherwise specified. True or False? - (Correct
Answer) True

In one of the methods only ____ is used for washing and in
the other method a ____ is used as well. - (Correct Answer)
Water, wetting agent

The purpose of using a wetting agent is to ____ finer than
the 75 μm sieve from the coarser material. - (Correct
Answer) Loosen material

Dry sieving separates out the finer particles more
effectively than wet sieving. True or False? - (Correct
Answer) False; wet sieving works better

The kinds of materials that respond well to wetting agents
include ____ coatings, coatings on aggregates that have
been extracted from mixtures. - (Correct Answer) Clay,
bituminous

Complete the list of equipment needed to carry out the
procedures:

a) a balance or scale