GDOT Asphalt QC LEVEL 1 Exam Questions and Answers Latest Update 2025 Already Passed
What procedure is used to sample bituminous materials? - Answers GSP 10
What procedure is used to sample hot mix asphalt mixtures from full trucks, roadways, or occasionally
partially loaded trucks? - Answers GSP 15
How do you take a HMA sample from a truck? - Answers Shovel off about 60% of the cone and go atleast
6 inches deep.
What kind of shovel do you use to take a sample off of a truck? - Answers A square nosed shovel.
What procedure governs the sampling procedures for contractor acceptance testing of HMA? - Answers
GSP 21
When should the QC take the temperature of the mix and what is the tolerance? - Answers Every time a
sample is take. +\- 20f or +\- 11c
If a sample meets a 1.00 pay factor, how many days does the department have to pick it up before it can
be discarded? - Answers 3 days
If a sample does not meet a 1.00 pay factor, how many days does the department have to pick it up
before it can be discarded? - Answers 7 days
When determining the AC contents,, what should be attached and submitted to the branch lab? -
Answers The long burn ticket and the random number sheet.
What tolerance is there on daily lime checks? - Answers +\- 10% of Job Mix Formula(JMF)
How often should weight systems for lime be checked? - Answers Twice per week (7 days)
When do you take a Abson Recovery Sample? (RAP) - Answers On mixtures that contain more than 20%
RAP.
When do you take liquid AC samples? - Answers When the plant has been down for 7 days, twice per
week on interstate projects, once per week on non interstate projects
What test method is used for bulk specific gravity? - Answers GDT 39
What test method is used to determine the heat stability of a liquid anti-strip additive in bituminous
mixtures? - Answers GDT 56
What test method is used for finding the random number for sampling? - Answers GDT 73
What test method is used to determine the bitumen content of hot paving mixtures by using the
vacuum extractor? - Answers GDT 83
What test method is used to determine AC content by ignition? - Answers GDT 125
What procedure is used to sample bituminous materials? - Answers GSP 10
What procedure is used to sample hot mix asphalt mixtures from full trucks, roadways, or occasionally
partially loaded trucks? - Answers GSP 15
How do you take a HMA sample from a truck? - Answers Shovel off about 60% of the cone and go atleast
6 inches deep.
What kind of shovel do you use to take a sample off of a truck? - Answers A square nosed shovel.
What procedure governs the sampling procedures for contractor acceptance testing of HMA? - Answers
GSP 21
When should the QC take the temperature of the mix and what is the tolerance? - Answers Every time a
sample is take. +\- 20f or +\- 11c
If a sample meets a 1.00 pay factor, how many days does the department have to pick it up before it can
be discarded? - Answers 3 days
If a sample does not meet a 1.00 pay factor, how many days does the department have to pick it up
before it can be discarded? - Answers 7 days
When determining the AC contents,, what should be attached and submitted to the branch lab? -
Answers The long burn ticket and the random number sheet.
What tolerance is there on daily lime checks? - Answers +\- 10% of Job Mix Formula(JMF)
How often should weight systems for lime be checked? - Answers Twice per week (7 days)
When do you take a Abson Recovery Sample? (RAP) - Answers On mixtures that contain more than 20%
RAP.
When do you take liquid AC samples? - Answers When the plant has been down for 7 days, twice per
week on interstate projects, once per week on non interstate projects
What test method is used for bulk specific gravity? - Answers GDT 39
What test method is used to determine the heat stability of a liquid anti-strip additive in bituminous
mixtures? - Answers GDT 56
What test method is used for finding the random number for sampling? - Answers GDT 73
What test method is used to determine the bitumen content of hot paving mixtures by using the
vacuum extractor? - Answers GDT 83
What test method is used to determine AC content by ignition? - Answers GDT 125
