ACI Aggregate Testing Technician - Level 1 -
Section 8 Exam Questions And Answers
AASHTO T 21 / ASTM C40
This test method involves the use of hazardous materials. - (correct
answer) -True
AASHTO T 21 / ASTM C40
The user of these standards is responsible for any safety problems
associated with them. - (correct answer) -True
AASHTO T 21 / ASTM C40
The principal value of this test is to furnish a warning that injurious
amounts of ____ may be present. - (correct answer) -Organic
impurities
AASHTO T 21 / ASTM C40
A dark color in the test sample is a warning sign. - (correct answer) -
True
AASHTO T 21 / ASTM C40
When a sample subjected to this test produces a color lighter than
the standard color solution, it is
Section 8 Exam Questions And Answers
AASHTO T 21 / ASTM C40
This test method involves the use of hazardous materials. - (correct
answer) -True
AASHTO T 21 / ASTM C40
The user of these standards is responsible for any safety problems
associated with them. - (correct answer) -True
AASHTO T 21 / ASTM C40
The principal value of this test is to furnish a warning that injurious
amounts of ____ may be present. - (correct answer) -Organic
impurities
AASHTO T 21 / ASTM C40
A dark color in the test sample is a warning sign. - (correct answer) -
True
AASHTO T 21 / ASTM C40
When a sample subjected to this test produces a color lighter than
the standard color solution, it is
