TRANSPORTATION ASSESSMENT QUESTIONS
SOLUTIONS GRADED A+
◉ Earthwork has to do with the roadway in what way?
Answer: Earthwork is the excavation and placement of soils and
materials supporting the proposed roadway.
◉ In Earthwork what is a lift?
Answer: 6" of compacted depth at full width
◉ In Earthwork what is a Lot?
Answer: A lot is 1 lift at 500 ft or within compacted area. Isolated
compaction operations are separate lots.
◉ Sampling at the roadway is done for
Answer: Done for base, sub grade, and embankment.
◉ Sampling is determined how
Answer: generated with random numbers usually by a Verification
Inspector
, ◉ What is important about sampling at the roadway
Answer: Minimum of three representative sample combined.
◉ What is LIMS?
Answer: Laboratory Info Management System
◉ The proctor theory is when compaction is achieved how
Answer: by inputting energy to expel air and water in the soil voids
◉ Compaction causes
Answer: An increase in unit weight, decrease in compressibility and
permeability.
◉ The proctor is determined where and creates what
Answer: In a laboratory and establishes a density standard to be
used on the roadway
◉ Lab proctors are created how
Answer: Material is gathered from the road and prepared with
different amounts of water then placed in molds and hammered
◉ What is a modified proctor used in