ACI Aggregate Testing Technician - Level 1 - Section 4 Questions And Answers.

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