ACI Aggregate Testing Technician - Level 1 - Section 4 Questions With Complete Answers Updated 2024
AASHTO T 27 / ASTM C136
In this test method a set of sieves with progressively _____ openings determines the ______ of the size of the particles sampled.
Smaller, distribution
AASHTO T 27 / A...
AASHTO T 27 / ASTM C136
In this test method a set of sieves with progressively _____ openings determines
the ______ of the size of the particles sampled.
Smaller, distribution
AASHTO T 27 / ASTM C136
The purpose of the test is to determine the _____ of the materials used as
aggregates or proposed to be used as aggregates.
Grading
AASHTO T 27 / ASTM C136
Results of the test may also be useful in developing relationships related to
porosity and packing.
True
AASHTO T 27 / ASTM C136
For material finer than the 75-μm sieve, you must use Test Method T 98.
False; Method T 11
AASHTO T 27 / ASTM C136
Balances for testing fine aggregate must be readable to _____ .
0.1 g
AASHTO T 27 / ASTM C136
When a sample is 20 kg or more, a ____ shaker is recommended.
Mechanical sieve
AASHTO T 27 / ASTM C136
More than ____ min. is considered excessive time spent in the mechanical sieve
shaker and may result in _____ of the sample.
10, degradation
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