FDOT EARTHWORK LEVEL 1
COMPREHENSIVE CERTIFICATION
EXAMINATION 2026 FULL QUESTIONS AND
VERIFIED SOLUTIONS
◉ Dry density.
Answer: The density of a material after moisture has been removed,
calculated from wet density and moisture content.
◉ Two-way gauge comparison.
Answer: A method to compare dry density measurements from two
different gauges.
◉ Troxler gauge.
Answer: A type of nuclear density gauge used for measuring dry
density.
◉ InstoTek gauge.
Answer: Another type of nuclear density gauge used for measuring
dry density.
◉ Proctor test.
, Answer: A test that establishes the relationship between moisture
and density for compaction.
◉ Compactive effort.
Answer: The amount of effort required to achieve a specified density
in soil or material.
◉ Mixing time for sandy materials.
Answer: The minimum time required to mix materials during the
Speedy Moisture test, which is 1 minute.
◉ Density range.
Answer: The range of densities that can be achieved through
compaction as determined by the Proctor test.
◉ Moisture and density relationship.
Answer: The correlation established by the Proctor test that
indicates how moisture affects density.
◉ Steel balls in Speedy Moisture Test.
Answer: Used during the test when testing coarse variable material.
◉ Drill rod depth.
COMPREHENSIVE CERTIFICATION
EXAMINATION 2026 FULL QUESTIONS AND
VERIFIED SOLUTIONS
◉ Dry density.
Answer: The density of a material after moisture has been removed,
calculated from wet density and moisture content.
◉ Two-way gauge comparison.
Answer: A method to compare dry density measurements from two
different gauges.
◉ Troxler gauge.
Answer: A type of nuclear density gauge used for measuring dry
density.
◉ InstoTek gauge.
Answer: Another type of nuclear density gauge used for measuring
dry density.
◉ Proctor test.
, Answer: A test that establishes the relationship between moisture
and density for compaction.
◉ Compactive effort.
Answer: The amount of effort required to achieve a specified density
in soil or material.
◉ Mixing time for sandy materials.
Answer: The minimum time required to mix materials during the
Speedy Moisture test, which is 1 minute.
◉ Density range.
Answer: The range of densities that can be achieved through
compaction as determined by the Proctor test.
◉ Moisture and density relationship.
Answer: The correlation established by the Proctor test that
indicates how moisture affects density.
◉ Steel balls in Speedy Moisture Test.
Answer: Used during the test when testing coarse variable material.
◉ Drill rod depth.
