ACI Aggregate Testing Technician - Level 1 -
Section 4 Questions And Answers
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. - (correct answer) -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. - (correct answer) -Grading
AASHTO T 27 / ASTM C136
Results of the test may also be useful in developing
relationships related to porosity and packing. - (correct
answer) -True
AASHTO T 27 / ASTM C136
For material finer than the 75-μm sieve, you must use Test
Method T 98. - (correct answer) -False; Method T 11
AASHTO T 27 / ASTM C136
Balances for testing fine aggregate must be readable to
_____ . - (correct answer) -0.1 g
AASHTO T 27 / ASTM C136
When a sample is 20 kg or more, a ____ shaker is
recommended. - (correct answer) -Mechanical sieve
Section 4 Questions And Answers
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. - (correct answer) -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. - (correct answer) -Grading
AASHTO T 27 / ASTM C136
Results of the test may also be useful in developing
relationships related to porosity and packing. - (correct
answer) -True
AASHTO T 27 / ASTM C136
For material finer than the 75-μm sieve, you must use Test
Method T 98. - (correct answer) -False; Method T 11
AASHTO T 27 / ASTM C136
Balances for testing fine aggregate must be readable to
_____ . - (correct answer) -0.1 g
AASHTO T 27 / ASTM C136
When a sample is 20 kg or more, a ____ shaker is
recommended. - (correct answer) -Mechanical sieve
